Arch: import IFC, support multiple styles in styled items in IFC4
Arch: import IFC, support multiple styles in styled items in IFC4
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