ee-patch for refactor of help and profiles in dispatcher.js

What does this MR do?

EE MR of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16330

Why was this MR needed?

EE MR of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16330

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug
• Review
  • Has been reviewed by Frontend
• Conform by the merge request performance guides
• Conform by the style guides

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ce/issues/41341