Fixed cors issue for npm repository api

Author: dragonpoo

server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/npm/PrivateNpmRegistryController.java

@@ -79,7 +79,6 @@ private Mono<ResponseEntity<Resource>> forwardToNodeService(String applicationId
                                         .toEntity(Resource.class)
                                         .map(response -> ResponseEntity
                                                 .status(response.getStatusCode())
-                                                .headers(response.getHeaders())
                                                 .body(response.getBody())
                                         );
                             }));