Rebindable autopilot and undock
Autopilot and undock are rebindable, and the modifier is standardized on Shift.
- Added rebinding for autopilot and undock in Settings > Controls.
- Changed autopilot to Shift + right-click (was Ctrl + right-click); undock stays Shift + Esc.
- Rebuilt the Controls list with a Shift checkbox, key slot, and Rebind button per binding.