fix app not closing: delete extra window

src/KeyKeeper/Views/MainWindow.axaml.cs

@@ -38,7 +38,6 @@ namespace KeyKeeper.Views
             {
                 if (file.TryGetLocalPath() is string path)
                 {
-                    ShowMessage($"Создание нового хранилища: {path}");
                     (DataContext as MainWindowViewModel)!.CreateVault(path);
                     OpenRepositoryWindow();
                 }
@@ -70,25 +69,12 @@ namespace KeyKeeper.Views
                 var file = files[0];
                 if (file.TryGetLocalPath() is string path)
                 {
-                    ShowMessage($"Открытие хранилища: {path}");
                     (DataContext as MainWindowViewModel)!.OpenVault(path);
                     OpenRepositoryWindow();
                 }
             }
         }
 
-        private void ShowMessage(string message)
-        {
-            // Временное решение для показа сообщений
-            var messageBox = new Window
-            {
-                Title = "KeyKeeper",
-                Content = new TextBlock { Text = message, Margin = new Thickness(20) },
-                SizeToContent = SizeToContent.WidthAndHeight,
-                WindowStartupLocation = WindowStartupLocation.CenterOwner
-            };
-            messageBox.ShowDialog(this);
-        }
         private void OpenRepositoryWindow()
         {
             var repositoryWindow = new RepositoryWindow()