pybind/mgr/cephadm/services/nvmeof.py: allow setting '0.0.0.0' as address in the...

pybind/mgr/cephadm/services/nvmeof.py: allow setting '0.0.0.0' as address in the spec file

- Partial revert of https://github.com/ceph/ceph/pull/59738/commits/9eb3b99b99b0b8c6c4e5f75e59c2e4835a9d6796
- Part of https://github.com/ceph/ceph/pull/59738

(cherry picked from commit 62a4247353dd85417303995cda7e9b8ffae1e929)

python-common/ceph/deployment/service_spec.py: Allow the cephadm deployment to determine the default addresses

Signed-off-by: Alexander Indenbaum <aindenba@redhat.com>
(cherry picked from commit 0997e4cd51edfe954148bfb8b7f42be9205c237c)

Resolves: rhbz#2311996
(cherry picked from commit 2db75595f1c44f5fb973a612a08406b5630ad1e5)