output-management-v1: use wlr_output.description
output-management-v1: use wlr_output.description

Unfortunately, the description isn't mutable yet for this protocol [1].

[1]: https://github.com/swaywm/wlr-protocols/issues/67

ascent12/wlroots,ascent12/wlroots,swaywm/wlroots,swaywm/wlroots,SirCmpwn/wlroots