Added approval rule text to reviewer dropdown user items

Phil Hughesrequested to merge
ph/reviewerDropdownApprovalRuleText into master

What does this MR do and why?

Adds the approval rule text to each user in the reviewer dropdown if they are apart of a approval rule. This existed in the old non-Vue based dropdown but was missed when we moved over to the Vue version.

References

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Screenshot_2025-11-28_at_11.27.39

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