A fix by explicitly traversing PhysicalOffsetFrames and adding their parents to the system order list of subcomponents.
A fix by explicitly traversing PhysicalOffsetFrames and adding their parents to the system order list of subcomponents.

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