[BE] feat: 하이라이트 추가 및 수정 API 구현

backend/src/main/java/reviewme/highlight/controller/HighlightController.java

@@ -19,7 +19,7 @@ public class HighlightController {
     @PostMapping("/v2/highlight")
     public ResponseEntity<Void> highlight(@Valid @RequestBody HighlightsRequest request,
                                           @SessionAttribute("reviewRequestCode") String reviewRequestCode) {
-        highlightService.highlight(request);
+        highlightService.highlight(request, reviewRequestCode);
         return ResponseEntity.ok().build();
     }
 }