Visual hints for layers editing enabled whenever a layer is selected into the objects list

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -2067,6 +2067,7 @@ void ObjectList::part_selection_changed()
     Sidebar& panel = wxGetApp().sidebar();
     panel.Freeze();
 
+    wxGetApp().plater()->canvas3D()->handle_sidebar_focus_event("", false);
     wxGetApp().obj_manipul() ->UpdateAndShow(update_and_show_manipulations);
     wxGetApp().obj_settings()->UpdateAndShow(update_and_show_settings);
     wxGetApp().obj_layers()  ->UpdateAndShow(update_and_show_layers);