Login and UKI updates (#1860)

* Change DM to SDDM

* Move to custom named UKI

* Skip creation on Mac

* Add entry to make sure VSCode uses gnome keyring

* Fix order for UKI generation

* Limine only

* BTRFS only

migrations/1758487660_change_dm_to_sddm.sh

@@ -0,0 +1,24 @@
+echo "Change display manager to SDDM"
+
+sudo pacman -S --needed --noconfirm sddm libsecret gnome-keyring
+
+sudo mkdir -p /etc/sddm.conf.d
+
+cat <<EOF | sudo tee /etc/sddm.conf.d/autologin.conf
+[Autologin]
+User=$USER
+Session=hyprland-uwsm
+
+[Theme]
+Current=breeze
+EOF
+
+sudo systemctl disable omarchy-seamless-login.service
+sudo systemctl unmask plymouth-quit-wait.service
+sudo systemctl enable getty@tty1.service
+sudo systemctl enable sddm.service
+sudo systemctl daemon-reload
+
+sudo rm -f /usr/local/bin/seamless-login
+sudo rm -f /etc/systemd/system/plymouth-quit.service.d/wait-for-graphical.conf
+sudo rm -f /etc/systemd/system/omarchy-seamless-login.service