Arch: Fixed merged same-color IfcSurfaceStyles in IFC export
Arch: Fixed merged same-color IfcSurfaceStyles in IFC export

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