Fix UserControl Interaction

Stars Assistant/ViewModels/MainWindowViewModel.cs

@@ -12,14 +12,16 @@ public partial class MainWindowViewModel : ViewModelBase, IActivatableViewModel
 {
     public ViewModelActivator Activator { get; } = new ViewModelActivator();
 
-    [ObservableAsProperty]
-    private string _dbPath = "";
+    [Reactive]
+    private string _dbPath;
+
+    [Reactive]
+    private BuColViewModel? _buColViewModel = new();
 
     public MainWindowViewModel()
     {
         using var db = Locator.Current.GetService<StarsDatabase>()!;
-        _dbPathHelper = Observable.Return(Path.GetFullPath(db.DbPath))
-            .ToProperty(this, x => x.DbPath);
+        DbPath = Path.GetFullPath(db.DbPath);
 
         this.WhenActivated((CompositeDisposable disposables) => 
         {