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/default-keyring.sh

@@ -0,0 +1,20 @@
+KEYRING_DIR="$HOME/.local/share/keyrings"
+KEYRING_FILE="Default_keyring.keyring"
+DEFAULT_FILE="default"
+
+cat << EOF | tee "$KEYRING_FILE"
+[keyring]
+display-name=Default keyring
+ctime=$(date +%s)
+mtime=0
+lock-on-idle=false
+lock-after=false
+EOF
+
+cat << EOF | tee "$DEFAULT_FILE"
+Default_keyring
+EOF
+
+chmod 700 "$KEYRING_DIR"
+chmod 600 "$KEYRING_FILE"
+chmod 644 "$DEFAULT_FILE"