FMassCommandBuildEntityWithSharedFragments

Note: that TSharedFragmentValues is always expected to be [FMassArchetypeSharedFragmentValues](API\Runtime\MassEntity\FMassArchetypeSharedFragmentValu-), but is declared as template's param to maintain uniform command adding interface via [FMassCommandBuffer.PushCommand](API\Runtime\MassEntity\FMassCommandBuffer\PushCommand\4).