* fix(desktop): show steer glyph in busy composer
Restore the steering-wheel glyph when a typed draft redirects a live turn.
Add a real Electron E2E regression test for stop, steer, attachment queueing,
and a paused queue after Stop.
* feat(desktop): add queue action beside steer
Restore an explicit queue action in the former steering slot while a typed
correction is ready. Keep the primary steering-wheel action for redirecting
the active turn.
* fix(desktop): retain dictation beside queued drafts
Keep the dictation microphone visible when a typed busy draft exposes the
separate queue action. Cover the combined controls in the real Electron flow.
* fix(desktop): place queue beside the busy action
Keep the Queue message control after the read-aloud toggle and directly before
the shared Stop/Steer action. Cover the rendered control order in Electron E2E.
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