This moves core data and summary table cache serialization away from the higher level summary table logic
#ROBOMERGE-OWNER: Ben.Woodhouse
#ROBOMERGE-AUTHOR: ben.woodhouse
#ROBOMERGE-COMMAND: _robomerge ue5-main
#ROBOMERGE-SOURCE: CL 16796939 via CL 16796941 via CL 16796946 via CL 16796948
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v836-16769935)
#ROBOMERGE[STARSHIP]: UE5-Main
[CL 16804501 by ben woodhouse in ue5-release-engine-test branch]
