Wait image cache storage

Author: Jack251970

Flow.Launcher/MainWindow.xaml.cs

@@ -18,6 +18,7 @@
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Hotkey;
+using Flow.Launcher.Infrastructure.Image;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.ViewModel;
@@ -292,6 +293,7 @@ private async void OnClosing(object sender, CancelEventArgs e)
                 _notifyIcon.Visible = false;
                 App.API.SaveAppAllSettings();
                 e.Cancel = true;
+                await ImageLoader.WaitSaveAsync();
                 await PluginManager.DisposePluginsAsync();
                 Notification.Uninstall();
                 // After plugins are all disposed, we can close the main window