undercloud_admin_host and undercloud_public_host IP addresses were not configured by DF when net_config_override is defined

Issue

• Undercloud deployment failed after user defined net_config_override in undercloud.conf without IP addresses defined via undercloud_admin_host and undercloud_public_host

• Undercloud deployment failed because Keystone is unable to connect to undercloud DB service after user defined net_config_override in undercloud.conf without IP addresses defined via undercloud_admin_host and undercloud_public_host:

  /var/log/containers/keystone/keystone.log:
  2023-06-20 21:57:13.624 15 WARNING oslo_db.sqlalchemy.engines [-] SQL connection failed. -514 attempts left.: oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on '192.168.1.4' ([Errno 113] No route to host)")