QAbstractItemView: Don't change selection if editor ate release event

If a QItemDelegate implementation eats a release event (which they don't
do by default), then don't change the selection.

Task-number: QTBUG-59888
Change-Id: Ia08637627ce1da34ff9bdac63dfc72e5f53befac
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

src/widgets/itemviews/qabstractitemview.cpp

@@ -1937,7 +1937,8 @@ void QAbstractItemView::mouseReleaseEvent(QMouseEvent *event)
 
     if (d->selectionModel && d->noSelectionOnMousePress) {
         d->noSelectionOnMousePress = false;
-        d->selectionModel->select(index, selectionCommand(index, event));
+        if (!edited)
+            d->selectionModel->select(index, selectionCommand(index, event));
     }
 
     setState(NoState);