fix: 발송 에러 시 오류 코드 적용

mens-batch/src/main/java/kr/xit/biz/ens/service/EnsBatchStatusService.java

@@ -193,6 +193,7 @@ public class EnsBatchStatusService extends AbstractService implements IEnsBatchS
                 }else{
                     mapper.updateCntcSndngResultByKkoMyDoc(CntcDTO.SndngResult.builder()
                         .documentBinderUuid(t.getDocument_binder_uuid())
+                        .sndngResultSttus(t.getError_code())
                         .errorCn(t.getError_message())
                         .build());
                 }