also build installer with gui

templates/lb-config-args.j2

@@ -17,7 +17,6 @@
 {% endif %}
 {% if debian_live_debian_installer is defined %}
 --debian-installer "{{ debian_live_debian_installer }}"
---debian-installer-gui false
 {% if debian_nonfree_firmware %}
 --firmware-binary true
 {% endif %}