Menu.SubmenuTrigger with delay={0} doesn't always open #3446
Description
Bug report
Current behavior
CleanShot.2025-12-05.at.17.59.20.mp4
Expected behavior
Same as when passing delay={1}, which works fine:
CleanShot.2025-12-05.at.18.01.51.mp4
Reproducible example
https://stackblitz.com/edit/rdj5qx3f?file=src%2FApp.tsx
Base UI version
v1.0.0-rc.0
Which browser are you using?
Chrome, Firefox, Safari
Which OS are you using?
macOS
Which assistive tech are you using (if applicable)?
None