Fix git index.lock polling in sidebar metadata watcher - #2797

Bugbot Analysis Progress (12m 31s elapsed)

✅ Gathered PR context (4s)
✅ Completed bug detection (12m 26s)
✅ Posted analysis results (1s)

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

Request ID: serverGenReqId_c8d333dd-ea15-4b7a-a92f-f46391776dee