优化插件；

chr

2025-03-04 3f62d18e4361cd1d7a49c126765d95b2ad9c8246

 PdmSwPlugin.Main/SwAddIn/MainControl.cs

@@ -379,6 +379,7 @@
                            ActiveDocCustomPropertyChange -= handler.OnCustomPropertyChange;
                            DocDestroy -= handler.OnDocDestroy;
                            AfterDocDestroy -= handler.AfterDocDestroy;
                            handler.DisabledHandler();
                        }
                    }
                    PluginInfos.Clear();