fix PluginsManager's InstallOrUpdate focus

Author: jjw24

Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs

@@ -120,7 +120,10 @@ internal async Task InstallOrUpdate(UserPlugin plugin)
                             .ChangeQuery(
                                 $"{Context.CurrentPluginMetadata.ActionKeywords.FirstOrDefault()} {Settings.HotkeyUpdate} {plugin.Name}");
 
-                    Application.Current.MainWindow.Show();
+                    var mainWindow = Application.Current.MainWindow;
+                    mainWindow.Visibility = Visibility.Visible;
+                    mainWindow.Focus();
+
                     shouldHideWindow = false;
 
                     return;

Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json

@@ -6,7 +6,7 @@
   "Name": "Plugins Manager",
   "Description": "Management of installing, uninstalling or updating Flow Launcher plugins",
   "Author": "Jeremy Wu",
-  "Version": "1.8.4",
+  "Version": "1.8.5",
   "Language": "csharp",
   "Website": "https://github.com/Flow-Launcher/Flow.Launcher",
   "ExecuteFileName": "Flow.Launcher.Plugin.PluginsManager.dll",