Fixed more edge cases

Bitvault/CreatedItemHandler.cs

@@ -0,0 +1,34 @@
+using FluentAvalonia.Core;
+using Microsoft.Extensions.DependencyInjection;
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public class CreatedItemHandler(IServiceProvider serviceProvider,
+    ICache< Item> cache,
+    IPublisher publisher) :
+    INotificationHandler<CreatedEventArgs<Item>>
+{
+    public Task Handle(CreatedEventArgs<Item> args)
+    {
+        if (args.Value is Item item)
+        {
+            IServiceScope serviceScope = serviceProvider.CreateScope();
+            IServiceFactory serviceFactory = serviceScope.ServiceProvider.GetRequiredService<IServiceFactory>();
+            IValueStore<Item> valueStore = serviceScope.ServiceProvider.GetRequiredService<IValueStore<Item>>();
+
+            if (serviceFactory.Create<ItemNavigationViewModel>(item.Id, item.Name, "Description", true) 
+                is ItemNavigationViewModel viewModel)
+            {
+                cache.Add(item);
+
+                int index = cache.IndexOf(item);
+                valueStore.Set(item);
+
+                publisher.Publish(Insert.As(index, viewModel), nameof(ContainerViewModel));
+            }
+        }
+
+        return Task.CompletedTask;
+    }
+}