ChimeraOS 48-2 (a54600a) [GNOME_NVIDIA-PRE]

Change nvidia-dkms to nvidia-open-dkms

The package nvidia-open-dkms is the suggested option by both archlinux and nvidia.
It works generally better.
It supports nvidia 2000 and up: unlinke nvidia-dkms, but 1000 series cards have problems with directx12 games anyway.