Can't search your own messages in DMs using `from:`

Can reproduce CR: long time bug, @me works to search, but you cannot use this on mobile/Web App, and Personal Notes. Canary Desktop 2026.821.153243, Web 2026.822.81738, Linux 6.16.12-valve24.5-1-neptune-616-gb2f7cfe85e45 (x64), Electron 43.4.0, Chrome 150.0.7871.224, Node 24.18.1, Locale en-US