ref #11679
https://github.com/zed-industries/zed/pull/11235#issuecomment-2144727144

Filters leave events to ensure they are in the normal notify leave
events (not grab or ungrab)
([spec](https://www.x.org/releases/X11R7.7/doc/inputproto/XI2proto.txt)).
Confirmed to fix the issue @mrnugget was having.

Release Notes:

- linux: Fixed a regression that caused some X11 input devices being
unable to scroll.