Fix wrongly generated `Content-Range` header for `PATCH /api/v4/jobs/:id/trace` request

What does this MR do?

Fixes wrongly generated Content-Range header for PATCH /api/v4/jobs/:id/trace request.

Why was this MR needed?

Please look into #3275 (closed) for context.

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

Does this MR meet the acceptance criteria?

• Documentation created/updated
• Tests
  • Added for this feature/bug
  • All builds are passing
• Branch has no merge conflicts with master (if you do - rebase it please)

What are the relevant issue numbers?

Closes #3275 (closed)