x11-toolkits/wlroots: disable direct session by default
- Removed upstream in https://github.com/swaywm/wlroots/commit/d037c2dddc0f
- Lacks XDG_SESSION_TYPE unlike https://github.com/swaywm/wlroots/commit/90c845295947
- SUID in consumers is now handled by builtin backend in libseat