Fix: Change coroutine to execute after response on login

[paul2126]

PR Title: Change coroutine to execute after response on login

Related Issue(s):

• 코루틴이 동시에 여러 response를 받으면 터지는 상황을 방지하기 위해 response를 받은 다음 함수를 순차적으로 실행하도록 함
• 로그인시 다운받은 개인이 만든 상징과 즐겨찾기 한 상징들 중 첫번째 상징만 등록되는 현상 수정

PR Description:

• Change coroutine to execute after response on login
• Update last update date on login

Changes Included:

• Added new feature(s)
• Fixed identified bug(s)
• Updated relevant documentation

Notes for Reviewer:

Any specific instructions or points to be considered by the
reviewer.

Reviewer Checklist:

• Code is written in clean, maintainable, and idiomatic form.
• Automated test coverage is adequate.
• All existing tests pass.
• Manual testing has been performed to ensure the PR works as expected.
• Code review comments have been addressed or clarified.

Additional Comments:

Add any other comments or information that might be useful for the
review process.

[JH747]

코드 순차적으로 동작하도록 수정된 부분 확인하였고 첫번째 상징만 등록되는 현상도 일어나지 않는 것 확인했습니다.
고생하셨습니다.