added quickstack::firewall::ceph_osd to ceph storage node for BZ#1156184

(cherry picked from commit a711724ee190ec6748fe9f34b43420d538ec0ef5)
Fix edit override when no hostgroup is currently selected

When a host doesn't have a hostgroup already selected, the edit override
for the openstack hostgroups throws an error.

(cherry picked from commit 3d6a3afe5af30f71025d43d2fd3fafcb5e6cb166)
Version 0.4.9