fix(guards) : fix access mode property

src/users/guards/roles.guard.ts

@@ -4,7 +4,7 @@ import { UserRole } from '../enum/user-role.enum';
 
 @Injectable()
 export class RolesGuard implements CanActivate {
-  constructor(private reflector: Reflector) {}
+  constructor(protected reflector: Reflector) {}
 
   canActivate(context: ExecutionContext): boolean {
     const roles = this.reflector.get<string[]>('roles', context.getHandler());