Remove accidentally added AvaloniaExtensions.
DELETE
WalletWasabi.Gui/Extensions/AvaloniaExtensions.cs
-using System;
-using System.Linq;
-using System.Collections.Generic;
-using System.Text;
-using AvalonStudio.Shell;
-using Avalonia.Controls;
-
-namespace Avalonia
-{
- public static class AvaloniaExtensions
- {
- public static T GetDocument<T>(this IShell shell)
- {
- return shell.Documents.OfType<T>().Single();
- }
- }
-}

Remove accidentally added AvaloniaExtensions.