big refactoring. get rid of static properties and coupled architecture. prepare system for integration tests

Azaion.Test/SynchronousUICommandDispatcher.cs

@@ -0,0 +1,23 @@
+using Azaion.Common.Services;
+
+namespace Azaion.Test;
+
+public class SynchronousUICommandDispatcher : IUICommandDispatcher
+{
+    public Task ExecuteAsync(Action action)
+    {
+        action();
+        return Task.CompletedTask;
+    }
+
+    public Task<T> ExecuteAsync<T>(Func<T> func)
+    {
+        return Task.FromResult(func());
+    }
+
+    public void Execute(Action action)
+    {
+        action();
+    }
+}
+