Add manifest integration tests (#18203)

- add integration test on sync manifest endpoint
- fix invalid standard uuid + migration command

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

@@ -32,6 +32,9 @@ export class ObjectMetadataDTO {
   @IDField(() => UUIDScalarType)
   id: string;
 
+  @IDField(() => UUIDScalarType)
+  universalIdentifier: string;
+
   @Field()
   nameSingular: string;