Split open-in editor controls into panel and toolbar variants

- Move Open in editor shortcut handling into a shared hook
- Show Open in picker inside the thread details panel and restyle PR actions
- Tighten popover positioning for the panel layout
b2e8bfc273Julius Marminge committed on 9/18/2026, 12:49:14 AM· committed by Julius Marmingeparenta77549f
13 files changedLine totals unavailable