[Data quality] Transfer data quality plugin and tab to Kibana Management (elastic#264652)

## Summary
- Transfer ownership of the core Data Quality areas to Kibana Management
by updating module `owner` metadata for:
  - `x-pack/platform/packages/private/kbn-data-quality`
  - `x-pack/platform/plugins/shared/data_quality`
  - `x-pack/platform/plugins/shared/dataset_quality`
- Transfer ownership of the Streams **Data Quality tab** integration
points to Kibana Management via `CODEOWNERS`, covering:
-
`x-pack/platform/plugins/shared/streams_app/public/components/stream_data_quality/`
(Data Quality tab component subtree)
-
`x-pack/platform/plugins/shared/streams_app/public/hooks/use_dataset_quality_controller.ts`
-
`x-pack/platform/plugins/shared/streams_app/public/hooks/use_streams_doc_counts_fetch.ts`
-
`x-pack/platform/plugins/shared/streams/server/routes/streams/doc_counts/`
(Data quality-related routes)
- Transfer ownership of Data Quality / Dataset Quality test coverage to
Kibana Management via `CODEOWNERS`, including:
- Streams Data Quality tab Scout UI test:
`x-pack/platform/plugins/shared/streams_app/test/scout/ui/tests/data_management/data_quality.spec.ts`
- Dataset Quality functional tests + page object:
`x-pack/solutions/observability/test/functional/apps/dataset_quality/`
and
`x-pack/solutions/observability/test/functional/page_objects/dataset_quality.ts`
- Serverless Dataset Quality suite:
`x-pack/solutions/observability/test/serverless/functional/test_suites/dataset_quality/`
- Deployment-agnostic API integration tests:
`x-pack/solutions/observability/test/api_integration_deployment_agnostic/apis/dataset_quality/`
and
`x-pack/platform/test/api_integration_deployment_agnostic/apis/streams/doc_counts.ts`
- No intentional change to product behavior or public APIs
(ownership/routing only).

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>

Author: SoniaSanzV

.github/CODEOWNERS

@@ -926,7 +926,7 @@ x-pack/packages/kbn-synthetics-private-location @elastic/actionable-obs-team
 x-pack/performance @elastic/appex-qa
 x-pack/platform/packages/private/feedback-registry @elastic/appex-sharedux
 x-pack/platform/packages/private/kbn-alerting-state-types @elastic/response-ops
-x-pack/platform/packages/private/kbn-data-quality @elastic/obs-onboarding-team
+x-pack/platform/packages/private/kbn-data-quality @elastic/kibana-management
 x-pack/platform/packages/private/kbn-infra-forge @elastic/actionable-obs-team
 x-pack/platform/packages/private/kbn-random-sampling @elastic/kibana-visualizations
 x-pack/platform/packages/private/kbn-scout-release-testing @elastic/appex-qa
@@ -1129,8 +1129,8 @@ x-pack/platform/plugins/shared/cloud @elastic/kibana-core
 x-pack/platform/plugins/shared/cloud_connect @elastic/kibana-management
 x-pack/platform/plugins/shared/content_connectors @elastic/search-kibana
 x-pack/platform/plugins/shared/dashboard_agent @elastic/appex-ai-infra
-x-pack/platform/plugins/shared/data_quality @elastic/obs-onboarding-team
-x-pack/platform/plugins/shared/dataset_quality @elastic/obs-onboarding-team
+x-pack/platform/plugins/shared/data_quality @elastic/kibana-management
+x-pack/platform/plugins/shared/dataset_quality @elastic/kibana-management
 x-pack/platform/plugins/shared/elastic_console @elastic/obs-elastic-brain-team
 x-pack/platform/plugins/shared/embeddable_alerts_table @elastic/response-ops
 x-pack/platform/plugins/shared/encrypted_saved_objects @elastic/kibana-security
@@ -1744,6 +1744,12 @@ x-pack/solutions/observability/plugins/observability/server/lib/esql_extensions
 /x-pack/platform/plugins/shared/streams/server/lib/streams/lifecycle/ilm_phases.ts @elastic/kibana-management
 /x-pack/platform/plugins/shared/streams/server/lib/streams/lifecycle/ilm_phases.test.ts @elastic/kibana-management
 
+# Streams - Data quality overrides (owned by Kibana Management)
+/x-pack/platform/plugins/shared/streams_app/public/components/stream_data_quality @elastic/kibana-management
+/x-pack/platform/plugins/shared/streams_app/public/hooks/use_dataset_quality_controller.ts @elastic/kibana-management
+/x-pack/platform/plugins/shared/streams_app/public/hooks/use_streams_doc_counts_fetch.ts @elastic/kibana-management
+/x-pack/platform/plugins/shared/streams/server/routes/streams/doc_counts @elastic/kibana-management
+
 # Streams — sig events overrides (obs-sig-events-team owns these subtrees)
 # schemas
 x-pack/platform/packages/shared/kbn-streams-schema/src/api/features @elastic/obs-sig-events-team
@@ -1866,16 +1872,16 @@ x-pack/platform/plugins/shared/streams/test/scout/api/tests/sig_events @elastic/
 /x-pack/performance/journeys_e2e/metrics_* @elastic/obs-exploration-team
 /x-pack/performance/utils/metrics_experience_setup.ts @elastic/obs-exploration-team
  # obs-onboarding-team
-/x-pack/solutions/observability/test/api_integration_deployment_agnostic/apis/dataset_quality @elastic/obs-onboarding-team
+/x-pack/solutions/observability/test/api_integration_deployment_agnostic/apis/dataset_quality @elastic/kibana-management
 /x-pack/solutions/observability/test/serverless/functional/configs/config.* @elastic/obs-onboarding-team
 /x-pack/solutions/observability/test/serverless/functional/test_suites/navigation.ts @elastic/obs-presentation-team
-/x-pack/solutions/observability/test/functional/page_objects/dataset_quality.ts @elastic/obs-onboarding-team
+/x-pack/solutions/observability/test/functional/page_objects/dataset_quality.ts @elastic/kibana-management
 /x-pack/solutions/observability/test/serverless/functional/configs/index* @elastic/obs-onboarding-team
 /x-pack/solutions/observability/test/functional/services/infra_source_configuration_form.ts @elastic/obs-presentation-team
 /src/platform/test/functional/services/selectable.ts @elastic/obs-onboarding-team
 /x-pack/solutions/observability/test/serverless/api_integration/configs/index.feature_flags.ts @elastic/obs-onboarding-team
-/x-pack/solutions/observability/test/functional/apps/dataset_quality @elastic/obs-onboarding-team
-/x-pack/solutions/observability/test/serverless/functional/test_suites/dataset_quality @elastic/obs-onboarding-team
+/x-pack/solutions/observability/test/functional/apps/dataset_quality @elastic/kibana-management
+/x-pack/solutions/observability/test/serverless/functional/test_suites/dataset_quality @elastic/kibana-management
 /x-pack/solutions/observability/plugins/observability/public/pages/landing @elastic/obs-onboarding-team
 
 # Observability-ui
@@ -1895,6 +1901,8 @@ x-pack/platform/plugins/shared/streams/test/scout/api/tests/sig_events @elastic/
 /x-pack/platform/test/api_integration/apis/streams @elastic/obs-sig-events-team @elastic/obs-onboarding-team
 /x-pack/platform/test/api_integration/fixtures/kbn_archives/streams @elastic/obs-sig-events-team @elastic/obs-onboarding-team
 /x-pack/platform/plugins/shared/streams_app/test/scout/ui/tests @elastic/obs-sig-events-team @elastic/obs-onboarding-team
+/x-pack/platform/plugins/shared/streams_app/test/scout/ui/tests/data_management/data_quality.spec.ts @elastic/kibana-management
+/x-pack/platform/test/api_integration_deployment_agnostic/apis/streams/doc_counts.ts @elastic/kibana-management
 /x-pack/performance/configs/streams_* @elastic/obs-sig-events-team @elastic/obs-onboarding-team
 /x-pack/performance/journeys_e2e/streams_* @elastic/obs-sig-events-team @elastic/obs-onboarding-team
 /.buildkite/pipelines/performance/streams_weekly.yml @elastic/obs-sig-events-team @elastic/obs-onboarding-team

x-pack/platform/packages/private/kbn-data-quality/kibana.jsonc

@@ -1,7 +1,7 @@
 {
   "type": "shared-common",
   "id": "@kbn/data-quality",
-  "owner": "@elastic/obs-onboarding-team",
+  "owner": "@elastic/kibana-management",
   "group": "platform",
   "visibility": "private"
 }

x-pack/platform/packages/private/kbn-data-quality/moon.yml

@@ -6,15 +6,15 @@ $schema: https://moonrepo.dev/schemas/project.json
 id: '@kbn/data-quality'
 layer: unknown
 owners:
-  defaultOwner: '@elastic/obs-onboarding-team'
+  defaultOwner: '@elastic/kibana-management'
 toolchains:
   default: node
 language: typescript
 project:
   title: '@kbn/data-quality'
   description: Moon project for @kbn/data-quality
   channel: ''
-  owner: '@elastic/obs-onboarding-team'
+  owner: '@elastic/kibana-management'
   sourceRoot: x-pack/platform/packages/private/kbn-data-quality
 dependsOn:
   - '@kbn/dataset-quality-plugin'

x-pack/platform/plugins/shared/data_quality/kibana.jsonc

@@ -1,7 +1,7 @@
 {
   "type": "plugin",
   "id": "@kbn/data-quality-plugin",
-  "owner": "@elastic/obs-onboarding-team",
+  "owner": "@elastic/kibana-management",
   "group": "platform",
   "visibility": "shared",
   "plugin": {

x-pack/platform/plugins/shared/data_quality/moon.yml

@@ -6,15 +6,15 @@ $schema: https://moonrepo.dev/schemas/project.json
 id: '@kbn/data-quality-plugin'
 layer: unknown
 owners:
-  defaultOwner: '@elastic/obs-onboarding-team'
+  defaultOwner: '@elastic/kibana-management'
 toolchains:
   default: node
 language: typescript
 project:
   title: '@kbn/data-quality-plugin'
   description: Moon project for @kbn/data-quality-plugin
   channel: ''
-  owner: '@elastic/obs-onboarding-team'
+  owner: '@elastic/kibana-management'
   sourceRoot: x-pack/platform/plugins/shared/data_quality
 dependsOn:
   - '@kbn/core'

x-pack/platform/plugins/shared/dataset_quality/kibana.jsonc

@@ -2,7 +2,7 @@
   "type": "plugin",
   "id": "@kbn/dataset-quality-plugin",
   "owner": [
-    "@elastic/obs-onboarding-team"
+    "@elastic/kibana-management"
   ],
   "group": "platform",
   "visibility": "shared",

x-pack/platform/plugins/shared/dataset_quality/moon.yml

@@ -6,15 +6,15 @@ $schema: https://moonrepo.dev/schemas/project.json
 id: '@kbn/dataset-quality-plugin'
 layer: unknown
 owners:
-  defaultOwner: '@elastic/obs-onboarding-team'
+  defaultOwner: '@elastic/kibana-management'
 toolchains:
   default: node
 language: typescript
 project:
   title: '@kbn/dataset-quality-plugin'
   description: Moon project for @kbn/dataset-quality-plugin
   channel: ''
-  owner: '@elastic/obs-onboarding-team'
+  owner: '@elastic/kibana-management'
   sourceRoot: x-pack/platform/plugins/shared/dataset_quality
 dependsOn:
   - '@kbn/alerting-comparators'