Add listener_port to provision_instance

API changes
- cannot change peers or enable
peers_from_control_nodes on VM deployments
- allow setting ip_address
- use ip_address over hostname in the generated
group_vars/all.yml
- Drop api/v2/peers endpoint

DB changes
- add ip_address unique constraint, but ignore "" entries

Other changes
- provision_instance should take listener_port option

Tests
- test that new controls doesn't disturb other peers
relationships
- test ip_address over hostname

awx/ui/src/screens/Instances/InstanceDetail/InstanceDetail.js

@@ -207,7 +207,7 @@ function InstanceDetail({ setBreadcrumb, isK8s }) {
           />
           <Detail label={t`Node Type`} value={instance.node_type} />
           <Detail label={t`Host`} value={instance.ip_address} />
-          <Detail label={t`Instance Port`} value={instance.listener_port} />
+          <Detail label={t`Listener Port`} value={instance.listener_port} />
           {(isExecutionNode || isHopNode) && (
             <>
               {instance.related?.install_bundle && (