Always display the metrics dict in the output of kes-period-info command

[saratomaz]

Internal

Area
cli command

Describe the feature you'd like
Always get the metrics dict as a output of the command, now is only retrieving the metrics on an "all valid" scenario.

Additional context / screenshots
"all valid" scenario example with the metrics

✓ The counters match what is in the node's protocol state
✓ The counters in the operational certificate and operational certificate issue counter file are the same
✓ Operational certificate's kes period is within the correct KES period interval
{
    "qKesNodeStateOperationalCertificateNumber": 6,
    "qKesCurrentKesPeriod": 404,
    "qKesOnDiskOperationalCertificateNumber": 6,
    "qKesRemainingSlotsInKesPeriod": 3760228,
    "qKesMaxKESEvolutions": 62,
    "qKesKesKeyExpiry": "2022-03-20T21:44:51Z",
    "qKesEndKesInterval": 434,
    "qKesStartKesInterval": 372,
    "qKesSlotsPerKesPeriod": 129600
}