"Push to talk" spacebar also toggles camera if last clicked there

[nickvergessen]

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Steps to reproduce

1. Join a call
2. Enable mic with mouse
3. Disable camera with mouse
4. Optional: Have the urge to sneeze
5. Press spacebar to "Mute"
6. Release spacebar to stop muting

Expected behaviour

Only mic state changed

Actual behaviour

Camera got reenabled

Bildschirmaufzeichnung.vom.2025-02-26.15-56-15.webm

[Antreesy]

Not the case for stable29, as we've migrated to vue-lib function in stable30:

spreed/src/components/CallView/shared/LocalAudioControlButton.vue

Line 174 in d19a764

useHotKey(' ', this.toggleAudio, { push: true })

Fix would be changing this to:

useHotKey(' ', this.toggleAudio, { push: true, stop: true, prevent: true })

But setting it would restore behavior of stable29 - which is blocking keyboard a11y for button with spacebar, and I don't know, if it's better or worse