🐛Can change emoji when reader role

## Bug Report

When I am a reader, I can still locally change the Emoji in the emoji picker.

It is a minor issue as this change is visible only for the current user (not dispatch).


<img width="560" height="448" alt="Image" src="https://github.com/user-attachments/assets/cce418c8-6b84-4477-a3f9-29e1009512af" />