refactor: bouncer cmd for FoK swap (#5103)

[kylezs]

Pull Request

Checklist

Please conduct a thorough self-review before opening the PR.

• [x] I am confident that the code works.
• [x] I have written sufficient tests.
• [x] I have written and tested required migrations.
• [x] I have updated documentation where appropriate.

Summary

Picks addition of FoK swap params to 1.5 branch for easier manual testing.