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: robert.manuszewski
#ROBOMERGE-AUTHOR: thomas.sarkanen
#ROBOMERGE-SOURCE: CL 4810269 via CL 4810272 via CL 4812712 via CL 4812722
#ROBOMERGE-BOT: CORE (Main -> Dev-Core)
[CL 4913467 by thomas sarkanen in Dev-Core branch]