export flow and fix intercity issue

apps/edr-freight-api/src/modules/bookings/booking-transition.service.ts

@@ -1046,6 +1046,13 @@ export class BookingTransitionService {
   async exportTrainsForBooking(
     bookingId: string,
     scheduledDate: string,
+    overrides?: {
+      containerTypeIds?: string[];
+      containerSizes?: string[];
+      cargoTypeId?: string;
+      cargoTypeCode?: string;
+      wagons?: number;
+    },
   ): Promise<ExportTrainOption[]> {
     const booking = await this.bookingsService.findById(bookingId);
     const date = new Date(scheduledDate);
@@ -1064,6 +1071,7 @@ export class BookingTransitionService {
     return this.bookingBatchService.exportTrainOptionsForDay(
       scheduledBooking,
       eatDay(date),
+      overrides,
     );
   }