fix(ui): Add <FieldBox.TopAddon /> in TextField's topAddon prop.

[Brokyeom]

변경사항

• TextField의 topAddon에 새로 변경된 FieldBox의 레이아웃이 적용되지 않았던 문제를 수정했어요.
• FieldBox의 TopAddon을 감싸줌으로써 온전한 FieldBox의 레이아웃을 가질 수 있도록 수정했습니다.

링크

• https://sopt-makers.slack.com/archives/C042T8GEA0Y/p1736695443645079?thread_ts=1736683244.972439&cid=C042T8GEA0Y

시급한 정도

🏃‍♂️ 보통 : 최대한 빠르게 리뷰 부탁드립니다.

기타 사항

[height]

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[changeset-bot]

🦋 Changeset detected

Latest commit: 671d07a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@sopt-makers/ui	Patch
docs	Patch

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[jungwoo3490]

LGTM 🚀🚀