add loading confirmation for import-Djibouti trains before dispatch

apps/edr-freight-web/backoffice/src/services/api.ts

@@ -558,6 +558,14 @@ export const api = {
       () => TRAIN_SCHEDULING_INVALIDATIONS,
     ),
 
+    confirmLoading: endpoint<{ id: string }, TrainScheduleDetail>(
+      "train-scheduling",
+      "confirm-loading",
+      ({ id }) => trainSchedulingService.confirmLoading(id),
+      undefined,
+      () => TRAIN_SCHEDULING_INVALIDATIONS,
+    ),
+
     pinWagons: endpoint<
       { id: string; payload: PinWagonsPayload },
       TrainScheduleDetail

apps/edr-freight-web/backoffice/src/services/trainScheduling.service.ts

@@ -369,6 +369,16 @@ export const trainSchedulingService = {
     return unwrap(response.data);
   },
 
+  confirmLoading: async (
+    scheduleId: string,
+  ): Promise<TrainScheduleDetail> => {
+    const response = await client.post<TrainScheduleDetail>(
+      URL_CONSTANTS.TRAIN_SCHEDULING.CONFIRM_LOADING(scheduleId),
+      {},
+    );
+    return unwrap(response.data);
+  },
+
   getImportDjiboutiOperation: async (
     scheduleId: string,
   ): Promise<ImportDjiboutiOperation> => {