[HOLD for payment 2024-06-28] Participants Migration Front End Polish

[marcaaron]

Had some more comments for @s77rt to address and we agreed to do in a follow up issue.

#40254 (review)

[s77rt]

PR

[melvin-bot]

Reviewing label has been removed, please complete the "BugZero Checklist".

[melvin-bot]

The solution for this issue has been 🚀 deployed to production 🚀 in version 9.0.0-9 and is now subject to a 7-day regression period 📆. Here is the list of pull requests that resolve this issue:

• Participants migration polish #43610

If no regressions arise, payment will be issued on 2024-06-28. 🎊

For reference, here are some details about the assignees on this issue:

• @s77rt requires payment (Needs manual offer from BZ)