fix: remove timezone specific from utils

[urmauur]

Describe Your Changes

This pull request makes a small adjustment to the formatDate utility function. The change removes the explicit setting of the time zone to UTC, allowing the formatted date to use the user's local time zone instead.

Fixes Issues

• Closes bug: the timestamp displayed in the thread UI does not match the actual current time #6330
• Closes #

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

---

Important

Removes timeZone: 'UTC' from formatDate in formatDate.ts to use local timezone.

• Behavior:
  • Removes timeZone: 'UTC' from formatDate in formatDate.ts, allowing local timezone usage.
• Fixes:
  • Closes bug: the timestamp displayed in the thread UI does not match the actual current time #6330.

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[ellipsis-dev]

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1. web-app/src/utils/formatDate.ts:18

• Draft comment:
  Update outdated comment: It still refers to a fixed UTC timezone for stable tests even though the timezone parameter was removed. Consider updating or removing this comment to avoid confusion.
• Reason this comment was not posted:
  Comment was not on a location in the diff, so it can't be submitted as a review comment.

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[github-actions]

Barecheck - Code coverage report

Total: 35.86%

Your code coverage diff: 0.02% ▴

✅ All code changes are covered

[Minh141120]

LGTM!