update joins in repository services to use entity classes and enhance booking form with hazardous/reefer toggles

apps/edr-freight-api/src/modules/bookings/bookings.repository.ts

@@ -1082,8 +1082,10 @@ export class BookingsRepository extends BaseRepository<Booking> {
         destinationYard: true,
         // units carry the real per-container numbers entered at booking time —
         // the wagon plan shows those instead of generated placeholders.
-        bookingContainers: { containerType: true, units: true },
-        cargoType: true,
+        // containerType.wagonType + cargoType.wagonType drive wagon-type
+        // resolution during scheduling (FK, not the old load-type string map).
+        bookingContainers: { containerType: { wagonType: true }, units: true },
+        cargoType: { wagonType: true },
       },
       order: { priorityScore: 'DESC', createdAt: 'ASC' },
     });