Create generic tool for mapping muscle properties between muscle models

Suggested by @aymanhab to replace the code in [`DeGrooteFregly2016Muscle::replaceMuscles`](https://github.com/opensim-org/opensim-core/blob/68b37e1d2b327cdb7629f910d614ce45193d7272/OpenSim/Actuators/DeGrooteFregly2016Muscle.cpp#L948). 