Resolve "Change HA docs to update using EFS as NFS"

What does this MR do?

Updates HA NFS docs to reflect more information and usage of Burst Credits on EFS

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

Don't think so.

Why was this MR needed?

Doc update

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Review
  • Has been reviewed by UX
  • Has been reviewed by Frontend
  • Has been reviewed by Backend
  • Has been reviewed by Database
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #36192 (closed)