Poses & curves are now moved instead of copied where possible.
Also removed needless passing of bone space transforms to UAnimInstance::ParallelEvaluateAnimation, which further removes an extra allocation for sub-instances.
#rb Martin.Wilson
#ROBOMERGE-OWNER: ryan.gerleve
#ROBOMERGE-AUTHOR: thomas.sarkanen
#ROBOMERGE-SOURCE: CL 4810269 via CL 4810272 via CL 4812712 via CL 4812722
#ROBOMERGE-BOT: ENGINE (Main -> Dev-Networking)
[CL 4812775 by thomas sarkanen in Dev-Networking branch]