Remaining acceptance criteria to implement extracted from ###57577 Begin of the insertion

End of the insertion Begin of the deletion

End of the deletion **Expected behavior**
Begin of the insertionWhen displayingEnd of the insertion Begin of the deletion Ordering for `user`End of the deletion custom field Begin of the insertionvalue of type `user` with multi select enabled, usersEnd of the insertion should Begin of the insertionbe orderedEnd of the insertion Begin of the deletion happenEnd of the deletion first by `lastname`, then by `firstname`, then by `email` Begin of the insertioninsteadEnd of the insertion of Begin of the insertionoriginal insertion order.End of the insertion Begin of the deletion selected users.End of the deletion