Problem List에서 Accepted 여부 함께 불러오기

[Jaehyeon1020]

Describe the problem and solution

Problem List에서 Accepted 여부를 함께 불러올 수 있도록, getProblems API를 수정합니다.

Notion task

TAS-598

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guidelines
• [X] Check that there isn't already an issue

[jimin9038]

Changed the connected Notion task status to not-started

TAS-598 Problem List에서 Accepted 여부 함께 불러오기