"openstack overcloud ceph deploy" with a spec file fails

Issue

• openstack overcloud ceph deploy --ceph-spec command fails with No orchestrator configured error message.

  openstack overcloud ceph deploy --yes --stack overcloud --cluster ceph \
    :
  --ceph-spec ceph_spec.yaml
    :
  
    : 
  2023-05-16 06:29:13.393449 | aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa |      FATAL | Get the ceph orchestrator status | controller-0 | error={
      "changed": true,
      "cmd": [
          "podman",
          "run",
          "--rm",
          "--net=host",
          "--ipc=host",
          "--volume",
          "/etc/ceph:/etc/ceph:z",
          "--volume",
          "/home/ceph-admin/assimilate_ceph.conf:/home/assimilate_ceph.conf:z",
          "--volume",
          "/home/ceph-admin/specs/ceph_spec.yaml:/home/ceph_spec.yaml:z",
          "--entrypoint",
          "ceph",
          "director.ctlplane.example.com:8787/rhceph/rhceph-5-rhel8:latest",
          "--fsid",
          "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa",
          "-c",
          "/etc/ceph/ceph.conf",
          "-k",
          "/etc/ceph/ceph.client.admin.keyring",
          "orch",
          "status",
          "--format",
          "json"
      ],
      "delta": "0:00:00.540744",
      "end": "2023-05-15 19:29:13.367369",
      "invocation": {
          "module_args": {
              "_raw_params": "podman run --rm --net=host --ipc=host   --volume /etc/ceph:/etc/ceph:z --volume /home/ceph-admin/assimilate_ceph.conf:/home/assimilate_ceph.conf:z   --volume /home/ceph-admin/specs/ceph_spec.yaml:/home/ceph_spec.yaml:z   --entrypoint ceph director.ctlplane.example.com:8787/rhceph/rhceph-5-rhel8:latest --fsid aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa -c /etc/ceph/ceph.conf -k /etc/ceph/ceph.client.admin.keyring   orch status --format json",
              "_uses_shell": false,
              "argv": null,
              "chdir": null,
              "creates": null,
              "executable": null,
              "removes": null,
              "stdin": null,
              "stdin_add_newline": true,
              "strip_empty_ends": true,
              "warn": false
          }
      },
      "msg": "non-zero return code",
      "rc": 2,
      "start": "2023-05-15 19:29:12.826625",
      "stderr": "Error ENOENT: No orchestrator configured (try `ceph orch set backend`)",
      "stderr_lines": [
          "Error ENOENT: No orchestrator configured (try `ceph orch set backend`)"
      ],
      "stdout": "",
      "stdout_lines": []
  }
    :