refactor file and assets search

engine/app_layout.cpp

@@ -273,6 +273,7 @@ void App::initLayout()
                         for (auto& i : canvas->m_canvas->m_order)
                             layers->add_layer(canvas->m_canvas->m_layers[i].m_name.c_str());
                         open_dialog->destroy();
+                        ActionManager::clear();
                     };
                 }
             };