Fix wayland keyrepeat: use modifier-independant keycode instead of keysym (#11095)

fix bug introduced by #11052



https://github.com/zed-industries/zed/pull/11052#issuecomment-2080475491
the keysym for `a` pressed with or without shift is different, so
keyrepeat was never ended for `Shift-A`.

Release Notes:

- N/A
ff8e7f91c1Jakob Hellermann committed on 4/29/2024, 4:33:53 PM· committed by GitHubparent2614215
1 file changedLine totals unavailable