스토리북 git action 에러 수정

[handje]

Pull request

Related issue

Resolve #100 @handje

Motivation and context

• git action 에러 해결
  

Solution

• render내부의 state 삭제
• toggle variant적용을 보여주기 위한 스타일링 추가

How has this been tested

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the docs/CONTRIBUTING.md document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[KimKyuHoi]

나머진 고생많으셨습니다 approve는 할 예정이라서 수정 후 머지하시면 될 것 같습니다.