add is_demo_user field to vOLT object
add is_demo_user field to vOLT object

opencord/xos,cboling/xos,cboling/xos,open-cloud/xos,open-cloud/xos,cboling/xos,zdw/xos,zdw/xos,zdw/xos,zdw/xos,opencord/xos,opencord/xos,cboling/xos,cboling/xos,open-cloud/xos