Qt4: don't call browseInto if not needed when item changes

modules/gui/qt4/components/playlist/standardpanel.cpp

@@ -159,6 +159,7 @@ void StandardPLPanel::gotoPlayingItem()
 void StandardPLPanel::handleExpansion( const QModelIndex& index )
 {
     assert( currentView );
+    if( currentRootIndexId != -1 && currentRootIndexId != model->itemId( index.parent() ) )
         browseInto( index.parent() );
     currentView->scrollTo( index );
 }