Revoked Send Message permissions when drafting a message causes warning message to not pop up in the message bar

Can reproduce CR. It just freeze the textbox with the uneditable message in writing. canary build 558 (3af3543), 2026-05-02 18:32:42 UTC, Electron 41.2.2, Linux 7.0.3-1-cachyos-bore-lto (x64), desktop canary 0.0.113