Fix unique standard field (#16371)

Fixes https://github.com/twentyhq/twenty/issues/15925

- update field metadata update logic
- uniformize the way index are named
- command to migrate v1-named unique index
- add integration testing

---------

Co-authored-by: prastoin <paul@twenty.com>

packages/twenty-server/src/engine/workspace-manager/workspace-sync-metadata/factories/standard-index.factory.ts

@@ -5,12 +5,11 @@ import { type WorkspaceSyncContext } from 'src/engine/workspace-manager/workspac
 
 import { type IndexMetadataEntity } from 'src/engine/metadata-modules/index-metadata/index-metadata.entity';
 import { IndexType } from 'src/engine/metadata-modules/index-metadata/types/indexType.types';
-import { generateDeterministicIndexName } from 'src/engine/metadata-modules/index-metadata/utils/generate-deterministic-index-name';
+import { generateDeterministicIndexNameV2 } from 'src/engine/metadata-modules/index-metadata/utils/generate-deterministic-index-name-v2';
 import { type ObjectMetadataEntity } from 'src/engine/metadata-modules/object-metadata/object-metadata.entity';
 import { type BaseWorkspaceEntity } from 'src/engine/twenty-orm/base.workspace-entity';
 import { CustomWorkspaceEntity } from 'src/engine/twenty-orm/custom.workspace-entity';
 import { metadataArgsStorage } from 'src/engine/twenty-orm/storage/metadata-args.storage';
-import { computeTableName } from 'src/engine/utils/compute-table-name.util';
 import { isGatedAndNotEnabled } from 'src/engine/workspace-manager/workspace-sync-metadata/utils/is-gate-and-not-enabled.util';
 
 @Injectable()
@@ -124,7 +123,18 @@ export class StandardIndexFactory {
             const indexMetadata: PartialIndexMetadata = {
               workspaceId: context.workspaceId,
               objectMetadataId: customObjectMetadata.id,
-              name: `IDX_${generateDeterministicIndexName([computeTableName(customObjectName, true), ...workspaceIndexMetadataArgs.columns])}`,
+              name: generateDeterministicIndexNameV2({
+                flatObjectMetadata: {
+                  nameSingular: customObjectName,
+                  isCustom: true,
+                },
+                relatedFieldNames: workspaceIndexMetadataArgs.columns.map(
+                  (column) => ({
+                    name: column,
+                  }),
+                ),
+                isUnique: workspaceIndexMetadataArgs.isUnique,
+              }),
               columns: workspaceIndexMetadataArgs.columns,
               isCustom: false,
               isUnique: workspaceIndexMetadataArgs.isUnique,