feat: implement shipping line booking completion functionality

- Added ShippingLineBookingCompletionController and associated service to handle the completion of shipping line bookings.
- Introduced a new module for booking completion to maintain module separation and avoid cyclic dependencies.
- Updated the train scheduling global rules to set default desk hours to 24 hours.
- Modified existing services and entities to accommodate the new booking completion logic.
- Enhanced the front-end components to support the new booking completion flow, including updates to the booking detail and bookings pages.
- Implemented validation and error handling for booking completion, ensuring that only approved bookings can be completed.
- Added migration to set default desk hours in the database.

apps/edr-freight-api/src/modules/train-scheduling/entities/train-scheduling-global-rules.entity.ts

@@ -57,9 +57,10 @@ export class TrainSchedulingGlobalRules extends BaseEntity {
   /**
    * Local (Africa/Addis_Ababa) hour the booking desk shuts each day. A not-yet-full
    * train whose next cycle would reopen at/after this hour pauses until the next
-   * morning's windowOpenHour. Set equal to windowOpenHour for a 24-hour desk.
+   * morning's windowOpenHour. Set equal to windowOpenHour for a 24-hour desk
+   * (the default).
    */
-  @Column({ name: 'window_close_hour', type: 'int', default: 17 })
+  @Column({ name: 'window_close_hour', type: 'int', default: 8 })
   windowCloseHour!: number;
 
   // Stored in hours; 4 decimals so sub-minute UI durations (4 min = 0.0667h)