QmlDesigner.Model: Detach NodeInstanceView before Rewriter

Change-Id: Idcf13d531ba0db0d944e98d126962b6445ffd433
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qmldesigner/designercore/model/model.cpp

@@ -109,15 +109,15 @@ void ModelPrivate::detachAllViews()
 
     m_viewList.clear();
 
-    if (m_rewriterView) {
-        m_rewriterView->modelAboutToBeDetached(m_q);
-        m_rewriterView.clear();
-    }
-
     if (m_nodeInstanceView) {
         m_nodeInstanceView->modelAboutToBeDetached(m_q);
         m_nodeInstanceView.clear();
     }
+
+    if (m_rewriterView) {
+        m_rewriterView->modelAboutToBeDetached(m_q);
+        m_rewriterView.clear();
+    }
 }
 
 Model *ModelPrivate::create(QString type, int major, int minor, Model *metaInfoPropxyModel)