Fix the jinja expression for openstack_tenant_id (#3151)
Fix the jinja expression for openstack_tenant_id (#3151)

OS_PROJECT_ID is obsolete in keystone v3 and jinja expression
doesn't set openstack_tenant_id as expected because of
undefined env var. Fixed the expression.
Atoms/kubespray,insequent/kargo,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,insequent/kargo,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kargo,kubernetes-sigs/kubespray,kubespray/kargo,kubernetes-incubator/kargo,kubernetes-incubator/kubespray,kubespray/kargo,Atoms/kubespray,kubernetes-sigs/kubespray