Fix change plugin language issue

Author: Jack251970

Flow.Launcher/App.xaml.cs

@@ -127,12 +127,15 @@ await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
 
                 AbstractPluginEnvironment.PreStartPluginExecutablePathUpdate(_settings);
 
-                // TODO: Clean InternationalizationManager.Instance and InternationalizationManager.Instance.GetTranslation in future
-                Ioc.Default.GetRequiredService<Internationalization>().ChangeLanguage(_settings.Language);
-
                 PluginManager.LoadPlugins(_settings.PluginSettings);
+
+                // Register ResultsUpdated event after all plugins are loaded
                 Ioc.Default.GetRequiredService<MainViewModel>().RegisterResultsUpdatedEvent();
 
+                // Change language after all plugins are initialized
+                // TODO: Clean InternationalizationManager.Instance and InternationalizationManager.Instance.GetTranslation in future
+                Ioc.Default.GetRequiredService<Internationalization>().ChangeLanguage(_settings.Language);
+
                 Http.Proxy = _settings.Proxy;
 
                 await PluginManager.InitializePluginsAsync();