fix scripting issue where getRotationInGround() did not return object with correct Rotation type
fix scripting issue where getRotationInGround() did not return object with correct Rotation type

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core