Avalonia immediate transition

NoTransition_snip.cs

    public class NoTransition : IPageTransition
    {
        public Task Start(Visual from, Visual to, bool forward, CancellationToken cancellationToken)
        {
            if (from is not null)
            {
                from.IsVisible = false;
            }

            if (to is not null)
            {
                to.IsVisible = true;
            }

            return Task.CompletedTask;
        }
    }