fix: search can not search the table header

Author: sy-records

src/plugins/search/search.js

@@ -56,6 +56,7 @@ function getAllPaths(router) {
 
 function getTableData(token) {
  if (!token.text && token.type === 'table') {
+ token.cells.unshift(token.header);
  token.text = token.cells
  .map(function(rows) {
  return rows.join(' | ');