QmlDesigner: If the scene looses focus change to selection tool

* We forward the focusOut event to the tools
* The text tool now commits the data if the focus is lost
* Adding override

Task-number: QTCREATORBUG-16085
Change-Id: Ibdf6f60fc53e3c6c03222741c16cd8dd665618e1
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/components/formeditor/movetool.cpp

@@ -370,4 +370,8 @@ void MoveTool::formEditorItemsChanged(const QList<FormEditorItem*> &itemList)
     m_contentNotEditableIndicator.updateItems(selectedItemList);
 }
 
+void MoveTool::focusLost()
+{
+}
+
 }