Validation work

Wallet.Avalonia/OpenWalletView.axaml

@@ -7,11 +7,11 @@
     <StackPanel
         HorizontalAlignment="Center"
         VerticalAlignment="Center"
+        IsEnabled="{Binding !Active}"
         Spacing="12">
         <PersonPicture
             Width="144"
             Height="144"
-            Margin="0,-144,0,0"
             DisplayName="{Binding Name}" />
         <TextBlock
             Text="{Binding Name}"
@@ -28,5 +28,9 @@
                 </KeyBindingTriggerBehaviour>
             </Interaction.Behaviors>
         </TextBox>
+        <ProgressRing
+            HorizontalAlignment="Center"
+            VerticalAlignment="Center"
+            IsActive="{Binding Active}" />
     </StackPanel>
 </UserControl>

Wallet/OpenWalletViewModel.cs

@@ -1,5 +1,6 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using System.ComponentModel.DataAnnotations;
 using Toolkit.Foundation;
 
 namespace Wallet;
@@ -21,14 +22,16 @@ public partial class OpenWalletViewModel(IServiceProvider provider,
 
     [RelayCommand]
     private async Task Invoke()
+    {
+        using (await new ActivityLock(this))
         {
             if (Password is { Length: > 0 })
             {
-            if (await Mediator.Handle<ActivateEventArgs<Wallet<string>>, 
+                if (await Mediator.Handle<ActivateEventArgs<Wallet<string>>, bool>(Activate.As(new Wallet<string>(Password))))
-                bool>(Activate.As(new Wallet<string>(Password))))
                 {
                     Publisher.Publish(Opened.As<Wallet>());
                 }
             }
         }
     }
+}