This change fixes missing conditional logic for
microversion 2.96 which adds `pinned_availability_zone`
field to `openstack server list` output.
Change-Id: I1e398bb3379fa6443b0a44db76baaf6241a945e7
Signed-off-by: Rajesh Tailor <ratailor@redhat.com>
(cherry picked from commit dbddbf9760)