feat(mobile): upload attachments while composing - #8978

Bugbot Analysis Progress (8m 11s elapsed)

✅ Gathered PR context (6s)
✅ Completed bug detection (7m 58s)
✅ Posted analysis results (6s)

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

Request ID: serverGenReqId_282b1092-2027-4793-8891-13ab9e54765d