Gui: fix ViewProviderPythonFeature::getLinkedViewProvider
Gui: fix ViewProviderPythonFeature::getLinkedViewProvider

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