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

install/login/all.sh

@@ -1,4 +1,4 @@
 run_logged $OMARCHY_INSTALL/login/plymouth.sh
+run_logged $OMARCHY_INSTALL/login/default-keyring.sh
+run_logged $OMARCHY_INSTALL/login/sddm.sh
 run_logged $OMARCHY_INSTALL/login/limine-snapper.sh
-run_logged $OMARCHY_INSTALL/login/enable-mkinitcpio.sh
-run_logged $OMARCHY_INSTALL/login/alt-bootloaders.sh