Fix project panel requiring two Left presses to collapse opened files’ parent (#64733)

Based on
https://github.com/zed-industries/zed/issues/57771#issuecomment-5818927424

Release Notes:

- Fixed project panel requiring two Left presses to collapse opened
files’ parent
a84858acb9Kirill Bulatov committed on 9/25/2026, 8:45:27 AM· committed by GitHubparent5ddc176
2 files changedLine totals unavailable