These needed to be pointers as the map may have data added to it while we have a reference to an element within it.
#jira UE-74604
[FYI] Francis.Hurteau
#rb none
#rnx
#ROBOMERGE-SOURCE: CL 7064703 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v367-6836689)
[CL 7064706 by jamie dale in Main branch]