QmlDesigner: Adding dummydata as context property

The dummyContextObject is now set as the context object

Change-Id: I710f1ef36b8c97cc481b9109a775f06d9e03f6b6
Reviewed-by: Tim Jenssen <tim.jenssen@theqtcompany.com>

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/nodeinstanceserver.cpp

@@ -482,6 +482,7 @@ void NodeInstanceServer::setupDummyData(const QUrl &fileUrl)
 
     if (m_dummyContextObject.isNull())
         setupDefaultDummyData();
+    rootContext()->setContextObject(m_dummyContextObject);
 }
 
 void NodeInstanceServer::setupDefaultDummyData()