子窗口支持debug

fis/SlaveWindow.axaml.cs

@@ -35,7 +35,7 @@ namespace fis
             ExtendClientAreaTitleBarHeightHint = -1;
             MainThreadSyncContext = SynchronizationContext.Current;
 #if DEBUG
-          //  this.AttachDevTools();
+           this.AttachDevTools();
 #endif
             Closing += SlaveWindow_Closing;
         }
@@ -227,7 +227,7 @@ namespace fis
             _browser.BrowserInitialized += () =>
             {
 #if DEBUG
-            //    _browser!.ShowDeveloperTools();
+               _browser!.ShowDeveloperTools();
 #endif
             };
             var language = CultureInfo.CurrentCulture.Name;