Fix Bug 309760 - Crash while inline-renaming a file and apply change with return-key

BUG: 309760
FIXED-IN: 4.9.4

dolphin/src/kitemviews/private/kitemlistroleeditor.cpp

@@ -144,7 +144,8 @@ void KItemListRoleEditor::keyPressEvent(QKeyEvent* event)
         return;
     case Qt::Key_Enter:
     case Qt::Key_Return:
-        emitRoleEditingFinished();
+        // TODO: find a better way to fix the bug 309760
+        clearFocus(); // emitRoleEditingFinished(); results in a crash
         event->accept();
         return;
     default: