Arch: allow exporting of objects with no solid or shell to IFC
Arch: allow exporting of objects with no solid or shell to IFC

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