[Data grid][Scout] Use data view mode (elastic#267978)

## Summary

Closes elastic#266912
Closes elastic#266907
Closes elastic#266909
Closes elastic#266910
Closes elastic#266904
Closes elastic#266906
Closes elastic#266911
Closes elastic#266908
Closes elastic#266905
Closes elastic#266903

The latest failures for all the core scout suite in discover points out
to discover loading in ESQL mode, to mitigate this a new method has been
added to transition to classic view if needed and is now run in the
before each.


### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [x] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [x] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
- [x] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

Author: AlexGPlay

src/platform/packages/shared/kbn-scout/src/playwright/page_objects/discover_app.ts

@@ -13,6 +13,8 @@ import type { ScoutPage } from '..';
 import { expect } from '..';
 import { KibanaCodeEditorWrapper } from '../ui_components';
 
+const DISCOVER_QUERY_MODE_KEY = 'discover.defaultQueryMode';
+
 export class DiscoverApp {
   public readonly codeEditor: KibanaCodeEditorWrapper;
 
@@ -613,4 +615,13 @@ export class DiscoverApp {
 
     await expect(docTable).toContainText(text);
   }
+
+  public setQueryMode(mode: 'esql' | 'classic') {
+    return this.page.addInitScript(
+      ([_mode, _discoverQueryModeKey]) => {
+        window.localStorage.setItem(_discoverQueryModeKey, JSON.stringify(_mode));
+      },
+      [mode, DISCOVER_QUERY_MODE_KEY]
+    );
+  }
 }

src/platform/plugins/shared/discover/test/scout/ui/parallel_tests/core/data_grid_doc_table.spec.ts

@@ -39,6 +39,7 @@ spaceTest.describe('Discover data grid - doc table', { tag: testData.DISCOVER_CO
   spaceTest.beforeEach(async ({ browserAuth, pageObjects }) => {
     // Viewer is sufficient for read-only grid interactions.
     await browserAuth.loginAsViewer();
+    await pageObjects.discover.setQueryMode('classic');
     await pageObjects.discover.goto();
     await pageObjects.discover.waitUntilSearchingHasFinished();
     // Search can finish before the grid leaves "Loading documents" (histogram may

src/platform/plugins/shared/discover/test/scout/ui/parallel_tests/core/data_grid_doc_viewer.spec.ts

@@ -38,6 +38,7 @@ spaceTest.describe('Discover data grid - doc viewer', { tag: testData.DISCOVER_C
   spaceTest.beforeEach(async ({ browserAuth, pageObjects }) => {
     // Privileged user is needed to save the search used by the embeddable test.
     await browserAuth.loginAsPrivilegedUser();
+    await pageObjects.discover.setQueryMode('classic');
     await pageObjects.discover.goto();
     await pageObjects.discover.waitUntilSearchingHasFinished();
     await pageObjects.discover.waitForDocTableRendered();