Changing nickname in community profile twice hangs

[fluxbug-flutter]

Steps to reproduce

1. Go to a community where you are able to change nicknames
2. Tap on the community name to bring up a drawer menu
3. Tap on "Edit Community Profile"
4. Change your nickname
5. Save
6. Without closing that menu, change your nickname again

Expected behaviour

Should be able to save the second nickname.

Actual behaviour

The save button is no longer interactable after the first nickname change.

Client and system settings

Version 1.0.0, Beta 37, Channel Beta, Build 2187, Android 16 (arm64), Device Google Pixel 9a, Locale en-US, Push fcm, Flutter 3.44.6, Dart 3.12.2

Stances

Approvals

• CR: Version 1.0.0, Channel Canary, Build 2207, Android 15 (arm64), Device OnePlus CPH2465, Locale en-GB, Push fcm, Flutter 3.44.8, Dart 3.12.2

Denials

None

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Reported: #1243