Ensure we're targeting the right VMs

If a user has multiple deployments, they therefore have mutliple blocks
in their `~/.ssh/config`.

While the ssh configuration allows to chose the right VM using the
hypervisor name (for instance controller-0.builder2), the dynamic
inventory built using `ansible.builtin.add_host` doesn't target the
specific host.

With `delegate_to`, it may happen ansible connects to a wrong VM from a
previous deployment that's still running, and the user will face some
really weird situations - for instance, facts being wrongs (this hit the
networking_mapper and the fetched MAC addresses).

With this patch, we now have specific host targeting, and we also get it
in the logs, for example:
```
changed: [builder2 -> controller-0(controller-0.builder2)]
```

roles/libvirt_manager/tasks/manage_vms.yml

@@ -110,7 +110,7 @@
   ansible.builtin.add_host:
     name: "{{ vm_ip.nic.host }}"
     groups: "{{ (vm_type == 'crc') | ternary('ocp', vm_type) }}s"
-    ansible_host: "{{ extracted_ip }}"
+    ansible_host: "{{ vm_ip.nic.host }}.{{ inventory_hostname }}"
     ansible_ssh_user: "{{ _cifmw_libvirt_manager_layout.vms[vm_type].admin_user | default(_init_admin_user) }}"
   loop: "{{ vm_ips.results }}"
   loop_control:
@@ -173,7 +173,7 @@
     cmd: |-
       test -d /home/zuul && exit 0;
       set -xe -o pipefail;
-      echo "{{ vm_ip.nic.host }}" | sudo tee /etc/hostname;
+      echo "{{ vm_ip.nic.host }}.{{ inventory_hostname }}" | sudo tee /etc/hostname;
       sudo hostname -F /etc/hostname;
       sudo useradd -m -d /home/zuul zuul;
       echo "zuul ALL=(ALL)  NOPASSWD: ALL" | sudo tee /etc/sudoers.d/zuul;
@@ -226,7 +226,7 @@
   ansible.builtin.add_host:
     name: "{{ vm_ip.nic.host }}"
     groups: "{{ (vm_type == 'crc') | ternary('ocp', vm_type) }}s"
-    ansible_host: "{{ extracted_ip }}"
+    ansible_host: "{{ vm_ip.nic.host }}.{{ inventory_hostname }}"
     ansible_ssh_user: "{{ _cifmw_libvirt_manager_layout.vms[vm_type].admin_user | default('zuul') }}"
   loop: "{{ vm_ips.results }}"
   loop_control: