[2026-02-09][feat][general] Display existing files in the AddContactModal with a download option using the new `ExistingFileView` component.

👤 Author : Dapanel
🌿 Branch : main
🔗 Commit : d538b40
📅 Date : 2026-02-09
📝 Note :
feat: Display existing files in the AddContactModal with a download option using the new ExistingFileView component.