checking auth in onViewsIncrement

Telegram/SourceFiles/mainwidget.cpp

@@ -2166,6 +2166,8 @@ void MainWidget::scheduleViewIncrement(HistoryItem *item) {
 }
 
 void MainWidget::onViewsIncrement() {
+	if (!App::main() || !MTP::authedId()) return;
+
 	for (ViewsIncrement::iterator i = _viewsToIncrement.begin(); i != _viewsToIncrement.cend();) {
 		if (_viewsIncrementRequests.contains(i.key())) {
 			++i;