Properly implement ISO default session

chrooted-iso.sh

@@ -26,6 +26,12 @@ Type=Application
 Icon=nautilus
 Exec=sh -c \"gsettings set org.gnome.desktop.screensaver lock-enabled false\"" > /home/crystal/.config/autostart/no-lock-screen.desktop
 
+# Set default session to Onyx
+echo "[User]
+Session=onyx
+Icon=/var/lib/AccountsService/icons/crystal
+SystemAccount=false" > /var/lib/AccountsService/users/crystal
+
 # Jade-GUI Autostart
 cp \
   /var/lib/flatpak/exports/share/applications/al.getcryst.jadegui.desktop \
@@ -50,8 +56,4 @@ echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
 echo "LANG=en_US.UTF-8" > /etc/locale.conf
 locale-gen
 
-# Onyx as default gdm session
-rm /usr/share/xsessions/gnome*
-rm /usr/share/wayland-sessions/gnome*
-
 echo "Configured the system. Exiting chroot."