Fixups for class features in the editor.
#jira UE-161932
#rb ben.zeigler
#preflight 631a55942b7fe03eb6c27d74
[CL 21903450 by Robert Millar in ue5-main branch]
#rnx
#rb none
#ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904
#ROBOMERGE-BOT: (v613-10869866)
[CL 10870586 by ryan durand in Main branch]