WIP: Resolve "Simple documentation update - backup to restore in restore section"

What does this MR do?

Documentation update only

  • changes word backup to restore in the Restore section
  • adds an additional step to remind the restoration of the secret file if necessary
  • prompts a gitlab restart instead of start as specified

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

No

Why was this MR needed?

Clearer documentation.

Screenshots (if relevant)

NA

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #38840

Edited by Alexander