Added printable state update on canvas from Undo/redo

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -3628,18 +3628,22 @@ void ObjectList::update_after_undo_redo()
     m_objects_model->DeleteAll();
 
     size_t obj_idx = 0;
+    std::vector<size_t> obj_idxs;
+    obj_idxs.reserve(m_objects->size());
     while (obj_idx < m_objects->size()) {
         add_object_to_list(obj_idx, false);
+        obj_idxs.push_back(obj_idx);
         ++obj_idx;
     }
 
-#ifndef __WXOSX__ 
-//    selection_changed();
-#endif /* __WXOSX__ */
-
     update_selections();
 
     m_prevent_canvas_selection_update = false;
+
+    // update printable states on canvas
+    wxGetApp().plater()->canvas3D()->update_instance_printable_state_for_objects(obj_idxs);
+    // update scene
+    wxGetApp().plater()->update();
 }
 
 void ObjectList::update_printable_state(int obj_idx, int instance_idx)