Fix: Fixed issue where the prompt to review would crash the app (#10686)

Author: yaira2

src/Files.App/Views/MainPage.xaml.cs

@@ -73,12 +73,6 @@ public MainPage()
 			ToggleCompactOverlayCommand = new RelayCommand(ToggleCompactOverlay);
 			SetCompactOverlayCommand = new RelayCommand<bool>(SetCompactOverlay);
 
-			if (SystemInformation.Instance.TotalLaunchCount >= 15 & Package.Current.Id.Name == "49306atecsolution.FilesUWP" && !UserSettingsService.ApplicationSettingsService.WasPromptedToReview)
-			{
-				PromptForReview();
-				UserSettingsService.ApplicationSettingsService.WasPromptedToReview = true;
-			}
-
 			UserSettingsService.OnSettingChangedEvent += UserSettingsService_OnSettingChangedEvent;
 
 			DispatcherQueue.TryEnqueue(async () => await LoadSelectedTheme());
@@ -90,17 +84,17 @@ private async Task LoadSelectedTheme()
 			await App.ExternalResourcesHelper.LoadSelectedTheme();
 		}
 
-		private async void PromptForReview()
+		private async Task PromptForReview()
 		{
-			var AskForReviewDialog = new ContentDialog
+			var promptForReviewDialog = new ContentDialog
 			{
 				Title = "ReviewFiles".ToLocalized(),
 				Content = "ReviewFilesContent".ToLocalized(),
 				PrimaryButtonText = "Yes".ToLocalized(),
 				SecondaryButtonText = "No".ToLocalized()
 			};
 
-			var result = await this.SetContentDialogRoot(AskForReviewDialog).ShowAsync();
+			var result = await this.SetContentDialogRoot(promptForReviewDialog).ShowAsync();
 
 			if (result == ContentDialogResult.Primary)
 			{
@@ -111,6 +105,8 @@ private async void PromptForReview()
 				}
 				catch (Exception) { }
 			}
+
+			UserSettingsService.ApplicationSettingsService.WasPromptedToReview = true;
 		}
 
 		// WINUI3
@@ -328,6 +324,17 @@ private void Page_Loaded(object sender, RoutedEventArgs e)
 			FindName(nameof(InnerNavigationToolbar));
 			FindName(nameof(horizontalMultitaskingControl));
 			FindName(nameof(NavToolbar));
+
+			// Prompt user to review app in the Store
+			if
+			(
+				SystemInformation.Instance.TotalLaunchCount >= 15 &
+				Package.Current.Id.Name == "49306atecsolution.FilesUWP" &&
+				!UserSettingsService.ApplicationSettingsService.WasPromptedToReview
+			)
+			{
+				DispatcherQueue.TryEnqueue(async () => await PromptForReview());
+			}
 		}
 
 		private void Page_SizeChanged(object sender, SizeChangedEventArgs e)