add update button

Blueberry/MainWindow.xaml.cs

@@ -47,7 +47,7 @@ namespace BlueMine
 #if !DEBUG
                 if(await UpdateManager.IsUpdateAvailable())
                 {
-                    updateIcon.Visibility = Visibility.Visible;
+                    updateButton.Visibility = Visibility.Visible;
                     UpdateManager.DownloadCompleted += UpdateManager_DownloadCompleted;
                     await UpdateManager.DownloadUpdateAsync();
                 }
@@ -69,7 +69,7 @@ namespace BlueMine
                 }.ShowDialogAsync();
 
                 if (result == Wpf.Ui.Controls.MessageBoxResult.Primary)
-                    await UpdateManager.PerformUpdate();
+                    await UpdateManager.PerformUpdate(true);
             });
         }
 
@@ -373,6 +373,11 @@ namespace BlueMine
                 Title = "Under construction"
             }.ShowDialogAsync();
         }
+
+        private void updateButton_Click(object sender, RoutedEventArgs e)
+        {
+            UpdateManager_DownloadCompleted();
+        }
     }
 
     public partial class MainWindow : FluentWindow