The config source is defaults/etc/swaylock/config now. The tmpfiles seed stays: nixpkgs leaves meson's sysconfdir at $out/etc, so the /etc/swaylock/config that Arch owns is never read here.
The config source is defaults/etc/swaylock/config now. The tmpfiles seed stays: nixpkgs leaves meson's sysconfdir at $out/etc, so the /etc/swaylock/config that Arch owns is never read here.