This migrates away from using the default wpa-supplicant, and use iwd
instead on all the hosts

Fix install on ubuntu not having networking service stated by default on
ubuntu

The root causes why the idempotence test to fail
is that Docker bridge creation sends netlink events to socket
Socket activation starts systemd-networkd.service despite disabled state
Idempotence test finds service running when expecting stopped

The removal of the resolv.conf DNS configuration is required by the
wireguard not to have conflicting DNS configuration resolvers between
the static system fallback and the NetworkManager resolver (using
systemd-resolved) and the VPN DNS