Arch: ArchBuildingPart, fix obj.Height.Value in onChanged()
Arch: ArchBuildingPart, fix obj.Height.Value in onChanged()

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