Fix project panel follow focus issues (#60974)

Closes https://github.com/zed-industries/zed/issues/60939
Closes https://github.com/zed-industries/zed/issues/60940

Release Notes:

- Fixed focus follows mouse in project panel's blank space
af7de9a03cKirill Bulatov committed on 7/14/2026, 3:10:32 PM· committed by GitHubparentd0a977e
3 files changedLine totals unavailable