fix roles

src/customers/customers.service.ts

@@ -53,7 +53,7 @@ export class CustomersService {
       throw new NotFoundException(`Customer #${id} not found`);
     }
 
-    if (user && !this.customerPolicy.canRead(user, customer)) {
+    if (user && !(await this.customerPolicy.canRead(user, customer))) {
       throw new ForbiddenException();
     }