[Task] Grade component와 UserInfoMatching component 서버연동 및 로직수정

### ISSUE
* Group : client
* Type : func
* Detail: fix from client

### TODO
- [x]  Grade component 서버연동
- [x]  UserInfoMatching component 서버연동
- [x]  Grade 렌더링부분 로직수정

### Estimated time
all-day

### Labels
* Estimated time : all-day
* Group : client
* Sprint : Sprint__lollin__
* Urgency : High or Middle or Low
