Message box not blocked for the Fluxer System user

Observed behaviour

Normal message box shows up, sending a message will cause an error though.

Reproduction steps

Have a message from the system sent into your inbox.
Go to the message.

Build information

Beta 54, Version 1.0.0, Android 10 (arm64), Device samsung SM-N960U1, Locale en-US, Push fcm, Flutter 3.44.1, Dart 3.12.1

Platform

Android

Details

Expected behaviour Message box on the bottom gets replaced with an information icon and text “System announcements from Fluxer staff. You can’t reply here.”