fix(BA-5071): add IMAGE_ALIAS to RBACElementTypeGQL enum

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: fregataa

src/ai/backend/manager/api/gql/rbac/types/permission.py

@@ -89,6 +89,7 @@ class RBACElementTypeGQL(StrEnum):
     DEPLOYMENT_TOKEN = "deployment:token"
     DEPLOYMENT_POLICY = "deployment:policy"
     DEPLOYMENT_REVISION = "deployment:revision"
+    IMAGE_ALIAS = "image:alias"
 
     # Entity-level scopes
     ARTIFACT_REVISION = "artifact_revision"

src/ai/backend/manager/repositories/deployment/db_source/db_source.py

@@ -135,7 +135,6 @@
 from ai.backend.manager.repositories.deployment.creators import (
     DeploymentCreatorSpec,
     DeploymentPolicyCreatorSpec,
-    DeploymentRevisionCreatorSpec,
 )
 from ai.backend.manager.repositories.deployment.creators.endpoint import LegacyEndpointCreatorSpec
 from ai.backend.manager.repositories.deployment.types import (