[QUARANTINE] Create Wiki testing wiki content manipulation inside a project by manipulating content on the page

What does this MR do?

Quarantines the test Create Wiki testing wiki content manipulation inside a project by manipulating content on the page (https://gitlab.com/gitlab-org/gitlab/-/blob/master/qa/qa/specs/features/browser_ui/3_create/wiki/project_based_content_manipulation_spec.rb#L17)

This test has been found by Confiner to have failed 5 times, which exceeds the threshold of 3 times.

1. ee:relative_url-parallel
2. ee:relative_url-parallel
3. ce:relative_url-parallel
4. ee:relative_url-parallel
5. ee:relative_url-parallel

#358828 (closed)

(This MR was automatically generated by Confiner at 2022-04-13 01:17:57 UTC)