Updating ProjectBrowser

Ghost.Editor/App.xaml.cs

@@ -10,6 +10,7 @@ using Ghost.Editor.ViewModels.Windows;
 using Ghost.Engine;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.UI.Dispatching;
 using Microsoft.UI.Xaml;
 using System.Diagnostics;
 using WinUIEx;
@@ -116,6 +117,9 @@ public partial class App : Application
 
         EditorApplication.Initialize(Host.Services, arguments.ProjectPath, arguments.ProjectName);
 
+        // NOTE: We must call DispatcherQueue.GetForCurrentThread() on the UI thread before any await.
+        EditorApplication.SetDispatcherQueue(DispatcherQueue.GetForCurrentThread());
+
         var splashWindow = new SplashWindow();
         splashWindow.Activate();
         Window = splashWindow;