add items per wagon map to cargo types and sync bulk rate units

- Implemented  in the  to manage the physical item capacity for each wagon type.
- Added a new migration to create the  column in the  table.
- Introduced  method in  to update rate units when cargo type unit of measure changes.
- Updated booking calculations to consider items per wagon for break-bulk cargo.
- Refactored various components to utilize the new items fit logic and ensure consistent date formatting across the application.
- Added tests for the new display timezone functionality to ensure consistent date/time representation across different user settings.

apps/edr-freight-api/src/modules/rule-engine/repositories/rates.repository.ts

@@ -177,4 +177,16 @@ export class RatesRepository implements IRatesRepository {
   async softDelete(id: string): Promise<void> {
     await this.repo.softDelete(id);
   }
+
+  async syncBulkQuantityUnit(
+    cargoTypeId: string,
+    unitOfMeasure: 'PER_TON' | 'PER_ITEM',
+  ): Promise<number> {
+    const from = unitOfMeasure === 'PER_ITEM' ? 'PER_TON' : 'PER_ITEM';
+    const result = await this.repo.update(
+      { cargoTypeId, rateUnit: from },
+      { rateUnit: unitOfMeasure },
+    );
+    return result.affected ?? 0;
+  }
 }