Empty contributor in an idea

[benhuangbmj]

What

• From https://votte-backend.flushingtech.org/api/leaderboard/leaderboard3winners
  {"event_id":17,"event_date":"2025-04-19T00:00:00.000Z","category":"Hackathon Winner","winning_idea_id":66,"votes":10,"idea_title":"Visual furniture store app","idea_description":"Build an interface for a visual furniture store using ReplIt","contributors":"{}"}
• From https://votte-backend.flushingtech.org/api/leaderboard/leaderboardmostwins
  {"contributor":"{}","total_wins":"1"}