xfdesktop 4.20 might be accidentally built w/o desktop icons?

https://bbs.archlinux.org/viewtopic.php?pid=2215294#p2215294

Likely because

libyaml is a build dependency now for desktop icons. https://gitlab.xfce.org/xfce/xfdesktop/-/commit/ede71841bba3a3ad29d6d45587e3b4ec2dc094eb