라벨링 툴 라벨러,검수자 저장 후 status 리턴하기

src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataReviewApiController.java

@@ -88,9 +88,9 @@ public class TrainingDataReviewApiController {
         @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
       })
   @PostMapping
-  public ApiResponseDto<ResponseObj> saveReviewFeature(
+  public ApiResponseDto<String> saveReviewFeature(
       @RequestBody TrainingDataReviewDto.GeoFeatureRequest request) {
-    return ApiResponseDto.okObject(trainingDataReviewService.saveReviewFeature(request));
+    return ApiResponseDto.ok(trainingDataReviewService.saveReviewFeature(request));
   }
 
   @Operation(summary = "작업 통계 조회", description = "검수자의 작업 현황 통계를 조회합니다. (전체/미작업/Today 건수)")