Resolve VSN-2407 "Feature/integrate driver search, map visualization and assignment actions"
- Implement driver search functionality and display results as interactive markers on the map.
- Enable manual driver assignment via right-click context menus on driver markers.
- Add driver unassignment feature accessible via right-click on the assigned driver's home marker.
- Display detailed driver information (working hours, vehicle, distance) using map popovers.
- Render approach routes (empty km) on the map for assigned drivers.
Closes VSN-2407