Speech-to-text mode is irreversible

[ulugbekna]

repro:

1. open new session view (cmd+n)
2. click on speech-to-text
3. it starts downloading
4. click on the icon again to go back (intuitive action because I don't want to download a model)
5. 🐛 clicking does nothing

Demo:

CleanShot.2026-07-24.at.14.31.22.mp4

Version: 1.131.0-insider (Universal)
Commit: 29215ba
Date: 2026-07-24T03:46:02Z
Electron: 42.7.0
ElectronBuildId: 14710161
Chromium: 148.0.7778.280
Node.js: 24.18.0
V8: 14.8.178.38-electron.0
OS: Darwin arm64 25.5.0