Fix - Update searchVector when labelIdentifier is updated (#16940)

Fixes https://github.com/twentyhq/twenty/issues/16891

In next PR, validation rules will be added in migration logic

packages/twenty-server/src/engine/metadata-modules/object-metadata/object-metadata.service.ts

@@ -81,6 +81,7 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
 
     const {
       otherObjectFlatFieldMetadatasToUpdate,
+      sameObjectFlatFieldMetadatasToUpdate,
       flatObjectMetadataToUpdate,
       flatIndexMetadatasToUpdate,
       flatViewFieldsToCreate,
@@ -111,7 +112,10 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
             fieldMetadata: {
               flatEntityToCreate: [],
               flatEntityToDelete: [],
-              flatEntityToUpdate: otherObjectFlatFieldMetadatasToUpdate,
+              flatEntityToUpdate: [
+                ...otherObjectFlatFieldMetadatasToUpdate,
+                ...sameObjectFlatFieldMetadatasToUpdate,
+              ],
             },
             viewField: {
               flatEntityToCreate: flatViewFieldsToCreate,