Warning: Failed prop type: The prop nodeId is marked as required in ForwardRef(TreeItem2), but its value is undefined.
treeItem을 클릭하고 nodeId를 받아오기전까지 nodeId값이 undefined이기 때문
nodeId가 undefind일때까지 '' ''으로 초기값을 설정해주자.
<TreeItem>
key={index}
nodeId={node.id || ''}
id={node.id || ''}
....
</TreeItem>