QmlDesigner: Set root NodeInstance as root item in the view

Change-Id: I305bc7bd0c369cd9dfcd68d7d79952c6a669b62c
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

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

@@ -113,6 +113,8 @@ QList<ServerNodeInstance>  NodeInstanceServer::createInstances(const QVector<Ins
         instance.internalObject()->installEventFilter(childrenChangeEventFilter());
         if (instanceContainer.instanceId() == 0) {
             m_rootNodeInstance = instance;
+            if (quickView())
+                quickView()->setContent(fileUrl(), m_importComponent, m_rootNodeInstance.rootQuickItem());
             resizeCanvasSizeToRootItemSize();
         }