refactor for projects-r*, s*

What does this MR do?

Refactors dispatcher for things starting with r and s

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

No

Why was this MR needed?

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

Screenshots (if relevant)

No

Does this MR meet the acceptance criteria?

• Review
  • Has been reviewed by Frontend
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together

What are the relevant issue numbers?

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