Deprecate requirement legacy iid

What does this MR do and why?

Deprecate legacy requirement IID arguments in favour of work_item_iid

Screenshots or screen recordings

There will be no user-facing changes outside of documentation.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #382139 (closed)