private void DisplayHandler_FaviconChanged(string uri)
        {
            Task.Run(() =>
            {
                var request  = new HttpRequestMessage(HttpMethod.Head, uri);
                var response = httpClient.SendAsync(request).ContinueWith(task =>
                {
                    if (task.IsCompleted && task.Result.IsSuccessStatusCode)
                    {
                        Icon = new BrowserIconResource(uri);

                        IconChanged?.Invoke(Icon);
                        window.UpdateIcon(Icon);
                    }
                });
            });
        }