This currently requires that either the old or new elements have no external references, as redirecting two elements with external references will require support for redirection within the element framework itself
#jira UE-107415
#rb Brooke.Hubert, Chris.Gagnon
#rnx
#ROBOMERGE-SOURCE: CL 15371192 in //UE5/Release-5.0-EarlyAccess/...
#ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v771-15082668)
[CL 15371240 by jamie dale in ue5-main branch]