Fix shortcut links on help page

What does this MR do?

Fix shortcut links on help page

Are there points in the code the reviewer needs to double check?

Shouldn't be

Why was this MR needed?

The Use Shortcuts and Use the search bar on the top of this page link were not working on the quick help panel found in https://gitlab.com/help

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Review
  • Has been reviewed by Frontend

What are the relevant issue numbers?

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/41097