Draft: use systemd-sysext for plasma-dev session + fix dbus
dbus and polkit really really really do require that files be in the system prefix. to achieve that let's try the systemd-sysext tool Lennart recently blogged about. it allows us to expose the plasma-dev files in /usr without having to constantly rerun the script as we would have to do with copies
Once applied, you enter your dev environment with systemd-sysext merge
and exit it with systemd-sysext unmerge
Edited by Andrey Butirsky