QmlDesigner: Fix wrong order after dropping a item in the navigator

The component complete command is reparenting a item so it is appended. To
get the right order the ChildrenChangedCommand should be sent after
ComponentCompletedCommand.

Change-Id: Id4c1025fc7b4d7f25a7db7511029013c24441dd3
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5informationnodeinstanceserver.cpp

@@ -177,16 +177,16 @@ void Qt5InformationNodeInstanceServer::collectItemChangesAndSendChangeCommands()
             if (!propertyChangedList.isEmpty())
                 nodeInstanceClient()->valuesChanged(createValuesChangedCommand(propertyChangedList));
 
-            if (!m_parentChangedSet.isEmpty()) {
-                sendChildrenChangedCommand(m_parentChangedSet.toList());
-                m_parentChangedSet.clear();
-            }
-
             if (!m_completedComponentList.isEmpty()) {
                 nodeInstanceClient()->componentCompleted(createComponentCompletedCommand(m_completedComponentList));
                 m_completedComponentList.clear();
             }
 
+            if (!m_parentChangedSet.isEmpty()) {
+                sendChildrenChangedCommand(m_parentChangedSet.toList());
+                m_parentChangedSet.clear();
+            }
+
             slowDownRenderTimer();
             nodeInstanceClient()->flush();
             nodeInstanceClient()->synchronizeWithClientProcess();