Fix: Fixed issue where the app didn't update after restarting when ba…

…ckground running is on (#13339)

src/Files.App/App.xaml.cs

@@ -308,6 +308,7 @@ private async void Window_Closed(object sender, WindowEventArgs args)
 			}
 
 			if (Ioc.Default.GetRequiredService<IUserSettingsService>().GeneralSettingsService.LeaveAppRunning &&
+				!AppModel.ForceProcessTermination &&
 				!Process.GetProcessesByName("Files").Any(x => x.Id != Process.GetCurrentProcess().Id))
 			{
 				// Close open content dialogs

src/Files.App/Data/Models/AppModel.cs

@@ -64,5 +64,12 @@ public bool IsMainWindowClosed
 			get => isMainWindowClosed;
 			set => SetProperty(ref isMainWindowClosed, value);
 		}
+
+		private bool forceProcessTermination = false;
+		public bool ForceProcessTermination
+		{
+			get => forceProcessTermination;
+			set => SetProperty(ref forceProcessTermination, value);
+		}
 	}
 }

src/Files.App/Services/SideloadUpdateService.cs

@@ -229,6 +229,7 @@ private async Task ApplyPackageUpdate()
 			try
 			{
 				var restartStatus = RegisterApplicationRestart(null, 0);
+				App.AppModel.ForceProcessTermination = true;
 
 				Logger?.LogInformation($"Register for restart: {restartStatus}");
 

src/Files.App/Services/UpdateService.cs

@@ -109,8 +109,12 @@ public async Task CheckForUpdates()
 		private async Task DownloadAndInstall()
 		{
 			App.SaveSessionTabs();
+			App.AppModel.ForceProcessTermination = true;
 			var downloadOperation = _storeContext?.RequestDownloadAndInstallStorePackageUpdatesAsync(_updatePackages);
-			await downloadOperation.AsTask();
+			var result = await downloadOperation.AsTask();
+
+			if (result.OverallState == StorePackageUpdateState.Canceled)
+				App.AppModel.ForceProcessTermination = false;
 		}
 
 		private async Task GetUpdatePackages()