feat: Add userId retrieval in deleteReceiving function

- Enhanced the deleteReceiving function in the receivingController to retrieve the userId from the request object.
- This addition will facilitate better tracking and auditing of delete operations by associating them with the user performing the action.

backend-node/src/controllers/receivingController.ts

@@ -474,6 +474,7 @@ export async function deleteReceiving(req: AuthenticatedRequest, res: Response)
 
   try {
     const companyCode = req.user!.companyCode;
+    const userId = req.user!.userId;
     const { id } = req.params;
 
     await client.query("BEGIN");