Fix bug in microserviceMiddleware

src/middlewares/microservice.middleware.ts

@@ -3,8 +3,8 @@ import { Logger, ForbiddenException } from '@nestjs/common';
 export function microserviceMiddleware(req, res, next) {
   Logger.log('[-] Untokenise middleware called');
   if (req.headers['x-consumer-groups']) {
-    const arr = req.headers['x-consumer-groups'].split(',');
-    arr.map(e => e.trim());
+    let arr = req.headers['x-consumer-groups'].split(',');
+    arr = arr.map(e => e.trim());
     const group = arr.find(e => e === 'microservice');
     if (group === undefined) {
       throw new ForbiddenException('You can\'t access this ressource.');