Login: Signup Epilogue: Tapping on the change username field can result in it being pushed twice

[emilylaguna]

RPReplay_Final1638549356.mov

Expected behavior

When I tap the Username field I should be brought to only one of the Change Username screens

Actual behavior

Tapping on the Username field can push multiple Change Username screens

Steps to reproduce the behavior

1. Launch app, make a new account
2. On sign up epilogue, tap on the username field. You'll only be pushed once
3. Tap back
4. Tap on the Display Name
5. Tap on the username field. You'll be pushed twice.

Tested on [device], iOS [version], WPiOS [version]

iPhone 11 Pro, Simulator, iOS 15.1, WPiOS 18.7