protected static void RemoveDialog(BaseNotification notification)
{
System.Windows.Application.Current?.Dispatcher?.BeginInvoke(new Action(() => { notificationsSource.Remove(notification); }));
}
protected static void AddDialog(BaseNotification notification)
{
//System.Windows.Application.Current?.Dispatcher?.BeginInvoke(new Action(() => { notificationsSource.Add(notification); }));
System.Windows.Application.Current?.Dispatcher?.BeginInvoke(new Action(() => { notificationsSource.Insert(0, notification); }));
}