This represents UE4/Main @17774255, Release-5.0 @17791557 and Dev-PerfTest @17789485
[CL 17794212 by aurel cordonnier in ue5-release-engine-test branch]
GeometryCache from Alembic file without importing. (Fixed for Mac build)
#rb Jurre.deBaare
#rb Johan.Duparc
[CL 11207881 by Anousack Kitisa in Dev-Tools-Staging branch]