Fix search for subShapes
Fix search for subShapes

- this is mainly for Arch objects. the search for shapes
  is more difficult.

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master