Fixed userData pointer not cloned when cloning a node.

gameplay/src/Node.cpp

@@ -1003,6 +1003,7 @@ void Node::cloneInto(Node* node, NodeCloneContext &context) const
     }
     node->_world = _world;
     node->_bounds = _bounds;
+    node->_userData = _userData;
     if (_tags)
     {
         node->_tags = new std::map<std::string, std::string>(_tags->begin(), _tags->end());