static makeNodeItem(node) {
    return {
      type: 'node',
      lhId: node.lhId,
      path: node.devtoolsNodePath,
      selector: node.selector,
      boundingRect: node.boundingRect,
      snippet: node.snippet,
      nodeLabel: node.nodeLabel,
    };
  }
@param {LH.Artifacts.NodeDetails} node
@return {LH.Audit.Details.NodeValue}