Animation Graph Base Model only allows for 1 Animated Model.

The Base Model option that is settable in the Animation Graph only allows for 1 base model. The retargeting system allows for multiple retargets, but because only 1 base model can be selected, the retargeted animations that are to that base model will work but the other animations from other retargets will not be correct. This limits the usefulness of the animation graph preview in this case.