exclude self from container clash

apps/edr-freight-api/src/modules/contracts/contract-booking.service.ts

@@ -1882,6 +1882,9 @@ export class ContractBookingService {
   async validateShipment(
     contractId: string,
     dto: CreateBookingUnderContractDto,
+    // Completion/resubmit preview: the booking being completed must not clash
+    // with its own persisted containers.
+    excludeBookingId?: string,
   ): Promise<{
     overweightLines: Array<{
       containerTypeCode: string;
@@ -2043,6 +2046,7 @@ export class ContractBookingService {
           originYardId: route?.originYardId,
           destinationYardId: route?.destinationYardId,
         },
+        excludeBookingId,
       );
       containerClashErrors = clashes.map(
         (c) =>