[GUI] Update AboutViewModel to add assemblies on the UI thread

Aaru.Gui/ViewModels/Dialogs/AboutViewModel.cs

@@ -40,6 +40,7 @@ using System.Threading.Tasks;
 using System.Windows.Input;
 using Aaru.Gui.Models;
 using Aaru.Gui.Views.Dialogs;
+using Avalonia.Threading;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using JetBrains.Annotations;
@@ -78,11 +79,14 @@ public sealed partial class AboutViewModel : ViewModelBase
 
                 if(name is null || version is null) continue;
 
+                Dispatcher.UIThread.Invoke(() =>
+                {
                     Assemblies.Add(new AssemblyModel
                     {
                         Name    = name,
                         Version = version
                     });
+                });
             }
         });
     }