public Tweets()
{
ShowTweets = _showTweets.ToReadOnlyReactiveCollection();
Medias = _medias.ToReadOnlyReactiveCollection();
IsOrSearch.Subscribe(async _ => await Reflesh()).AddTo(Disposable);
Predicates.CollectionChangedAsObservable().Subscribe(async _ => await Reflesh()).AddTo(Disposable);
}