Fix some edge cases

Bitvault/EditItemActionViewModel.cs

@@ -1,4 +1,5 @@
-using Toolkit.Foundation;
+using CommunityToolkit.Mvvm.Input;
+using Toolkit.Foundation;
 
 namespace Bitvault;
 
@@ -7,5 +8,9 @@ public partial class EditItemActionViewModel(IServiceProvider provider,
     IMediator mediator,
     IPublisher publisher,
     ISubscriber subscriber,
-    IDisposer disposer) : ObservableViewModel(provider, factory, mediator, publisher, subscriber, disposer);
+    IDisposer disposer) : ObservableViewModel(provider, factory, mediator, publisher, subscriber, disposer)
+{
+    [RelayCommand]
+    public async Task Invoke() => await Publisher.Publish(Edit.As<Item>());
+}