Refactor metadata caching (#7011)

This PR introduces the following changes:
- add the metadataVersion to all our metadata cache keys to ease
troubleshooting:
<img width="1146" alt="image"
src="https://github.com/user-attachments/assets/8427805b-e07f-465e-9e69-1403652c8b12">
- introduce a cache recompute lock to avoid overloading the database to
recompute the cache many time

packages/twenty-server/src/engine/api/graphql/__tests__/workspace.factory.spec.ts

@@ -6,7 +6,7 @@ import { WorkspaceGraphQLSchemaFactory } from 'src/engine/api/graphql/workspace-
 import { WorkspaceSchemaFactory } from 'src/engine/api/graphql/workspace-schema.factory';
 import { DataSourceService } from 'src/engine/metadata-modules/data-source/data-source.service';
 import { ObjectMetadataService } from 'src/engine/metadata-modules/object-metadata/object-metadata.service';
-import { WorkspaceMetadataVersionService } from 'src/engine/metadata-modules/workspace-metadata-version/workspace-metadata-version.service';
+import { WorkspaceMetadataCacheService } from 'src/engine/metadata-modules/workspace-metadata-cache/services/workspace-metadata-cache.service';
 import { WorkspaceCacheStorageService } from 'src/engine/workspace-cache-storage/workspace-cache-storage.service';
 
 describe('WorkspaceSchemaFactory', () => {
@@ -41,7 +41,7 @@ describe('WorkspaceSchemaFactory', () => {
           useValue: {},
         },
         {
-          provide: WorkspaceMetadataVersionService,
+          provide: WorkspaceMetadataCacheService,
           useValue: {},
         },
       ],