private void PublishNotification_Click(object sender, RoutedEventArgs e)
        {
            PublishNewNotifyWindow publishNewNotifyWindow = new PublishNewNotifyWindow();

            publishNewNotifyWindow.ShowDialog();
        }
        private void DataGrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            PublishNewNotifyWindow publishNewNotifyWindow = new PublishNewNotifyWindow((sender as DataGrid).SelectedItem as Notification);

            publishNewNotifyWindow.ShowDialog();
        }