Fix an issue where FCrashReportClient would not call its dtor due to being held by SCrashReportClient
#jira UE-75354
[CODEREVIEW] Arciel.Rekman
[at]Arciel.Rekman
#rb Arciel.Rekman
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: brandon.schaefer
#ROBOMERGE-SOURCE: CL 7675363 in //UE4/Release-4.23/... via CL 7675365
#ROBOMERGE-BOT: BUILD (Main -> Dev-Build) (v388-7785529)
[CL 7802542 by brandon schaefer in Dev-Build branch]