- Add front:CARD=X,DEV=Y device enumeration from aplay -L output
- Recognize front: devices as bit-perfect in AlsaDirectStream
- Group front:CARD and "bit-perfect" named devices correctly in UI
- Add tooltip to device dropdown showing full device name
- Add current selection indicator in device dropdown
- Extend dropdown idle timeout to 10 seconds for long device names
Addresses issue #30 for USB DACs that expose front: but not hw: devices