[fix] 헤더 컴포넌트 - 소속 팀 없을 경우 고장나던 오류 수정#219

MINJI121 merged 1 commit intodevFE13-Part4-Team2/Coworkers:devfrom

refactor/#218/header-componentFE13-Part4-Team2/Coworkers:refactor/#218/header-componentCopy head branch name to clipboard