fix(vehicle): improve vehicle and driver assignment workflow
- Auto-update vehicle status based on driver assignment (ASSIGNED/NOT_ASSIGNED)
- Fix address auto-population for both drivers and sedentary personnel
- Fix dropdown loading issues in affectation module (chauffeur, pétrolier, carte carburant)
- Improve form initialization with personnelId and personnelType
- Add proper handling for existing driver in vehicle edit mode
- Remove debug console.log statements
- Ensure status synchronization between list and detail views