[Bug] 관리자 문제 생성 페이지에서 undefined (reading 'setOption') 지속 발생

[Neibce]

문제 설명

/admin/problem/create 페이지에서
Cannot read properties of undefined (reading 'setOption') TypeError 지속 발생

```json { arguments: [ { message: Cannot read properties of undefined (reading 'setOption'), name: TypeError, stack: TypeError: Cannot read properties of undefined (reading 'setOption') at a.mounted (https://code.pusan.ac.kr/static/js/815.bda829f718fc18de382b.js:1:1038) at qn (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:153752) at wn (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:150485) at Object.insert (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:162252) at C (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:200593) at a.__patch__ (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:201960) at t._update (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:173188) at a.r (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:208600) at t.get (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:157332) at t.run (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:158065) at $n (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:150991) at Array. (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:154787) at er (https://code.pusan.ac.kr/static/js/vendor.dll.eb077d4.js:2:154187) } ], logger: console } ```

환경 및 증거 자료

참고: https://pnu-code-place.sentry.io/issues/7574159170/events/fdc22af4bf854fe88d03114400e2e1e1

Acceptance Criteria

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