User Profile Caching interferes with custom Webhook Names & Avatars

Can reproduce CR: Beta 2035, Version 1.0.0, Android 15 (arm64), Device OnePlus CPH2465, Locale en-GB, Push unifiedpush, Flutter 3.44.0, Dart 3.12.0 | NB: Is visible for a split second on subsequent visits, but then matches the actual behaviour described in the report.