Merge branch '55254-fix-fe-job-app-spec' into 'master'

Step 2 - Move `job_app_spec` to Jest

See merge request gitlab-org/gitlab!23865

spec/frontend/helpers/dom_shims/index.js

 import './get_client_rects';
 import './inner_text';
+import './window_scroll_to';

spec/frontend/helpers/dom_shims/window_scroll_to.js

+window.scrollTo = jest.fn();