Fix isUnique not sent in field update mutation: Added isUnique and
settings to the Pick type in useUpdateOneFieldMetadataItem, which
previously silently dropped these properties from the GraphQL payload.
Invalidate cache on failed migration rollback: Added invalidateCache()
call in the migration runner's catch block so that a failed migration
(e.g., unique index creation failing due to duplicate data) regenerates
the Redis hash, preventing stale metadata from persisting in frontend
localStorage indefinitely. Was
