BBIM: When adding doors to a wall, maintain the wall as the active object.

This allows adding multiple doors smoothly.

src/blenderbim/blenderbim/bim/module/model/product.py

@@ -168,7 +168,10 @@ class AddConstrTypeInstance(bpy.types.Operator):
             tool.Ifc.run("system.assign_port", element=element, port=new_port)
             tool.Ifc.run("geometry.edit_object_placement", product=new_port, matrix=mat, is_si=True)
 
-        select_and_activate_single_object(context, obj)
+        if ifc_class == "IfcDoorType" and len(context.selected_objects) >= 1:
+            pass
+        else:
+            select_and_activate_single_object(context, obj)
         return {"FINISHED"}
 
     @staticmethod