xwayland: Add more files to .gitignore

Also sort the file again, missed in commit c8c276c9.
3 jobs for xwayland-gitignore in 7 minutes and 20 seconds (queued for 11 seconds)
Status Job ID Name Coverage
  Docker Image
passed #689046
debian-testing

00:00:21

 
  Build And Test
passed #689047
autotools-build-and-test

00:06:58

passed #689048
meson-build-and-test

00:01:40