Fix Linux restore backup function

Fixed the issue that the guiNConfig.json file cannot be restored in the backup and restore function

v2rayN/ServiceLib/ViewModels/BackupAndRestoreViewModel.cs

@@ -154,7 +154,7 @@ namespace ServiceLib.ViewModels
                         ProcUtils.ProcessStart(upgradeFileName, Global.RebootAs, Utils.StartupPath());
                     }
                 }
-                service?.Shutdown();
+                service?.Shutdown(true);
             }
             else
             {

v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs

@@ -303,7 +303,7 @@ namespace ServiceLib.ViewModels
             {
                 if (!blWindowsShutDown)
                 {
-                    _updateView?.Invoke(EViewAction.Shutdown, null);
+                    _updateView?.Invoke(EViewAction.Shutdown, false);
                 }
             }
         }
@@ -329,9 +329,9 @@ namespace ServiceLib.ViewModels
             _updateView?.Invoke(EViewAction.ShowHideWindow, blShow);
         }
 
-        public void Shutdown()
+        public void Shutdown(bool byUser)
         {
-            _updateView?.Invoke(EViewAction.Shutdown, null);
+            _updateView?.Invoke(EViewAction.Shutdown, byUser);
         }
 
         #endregion Actions

v2rayN/v2rayN.Desktop/App.axaml.cs

@@ -71,12 +71,8 @@ public partial class App : Application
 
     private async void MenuExit_Click(object? sender, EventArgs e)
     {
-        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-        {
-            var service = Locator.Current.GetService<MainWindowViewModel>();
-            if (service != null) await service.MyAppExitAsync(false);
-
-            desktop.Shutdown();
-        }
+        var service = Locator.Current.GetService<MainWindowViewModel>();
+        if (service != null) await service.MyAppExitAsync(true);
+        service?.Shutdown(true);
     }
 }

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs

@@ -223,6 +223,10 @@ namespace v2rayN.Desktop.Views
                     break;
 
                 case EViewAction.Shutdown:
+                    if (obj != null && _blCloseByUser == false)
+                    {
+                        _blCloseByUser = (bool)obj;
+                    }
                     StorageUI();
                     if (Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
                     {