message: Add scoped search on user profile before first paint
diff: import {h} from 'dom-chef';
  import select from 'select-dom';
  +import {safeElementReady} from '../libs/utils';
  -export default function () {
  +export default async function () {
  // `isUserProfile` returns `true` on organization pages too,
  // but they already have scoped search
  if (select.exists('body.org')) {
  return;
  }
  + await safeElementReady('.header-search');
  +
  const searchContainer = select('.header-search');
  const searchForm = select('.js-site-search-form', searchContainer);
  const searchScope = select('.header-search-scope', searchForm);
  