fix(md-render): fix markdown rendering in file viewer #4458

Bugbot Review

Bugbot Analysis Progress (8m 9s elapsed)

✅ Gathered PR context (16s)
✅ Completed bug detection (7m 51s)
✅ Posted analysis results (3s)

Final Result: Bugbot completed review - no new issues found! ✅

Request ID: serverGenReqId_3309d9e4-462e-421c-96f1-f6cf5372c8b1

✅ Bugbot reviewed your changes and found no new issues!

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^{Reviewed by Cursor Bugbot for commit 32d2300. Configure here.}