Cannot send unbonding tx due to too many covenant sigs

[filippos47]

Version: v0.7.0

# stakercli
stakercli dn ubd --daemon-address XX --staking-transaction-hash d719c670342d1c983a1afc73f19f989fd486d99981cbc0591989f873fb8ea698 --fee-rate 2000
{
    "unbonding_tx_hash": "b0a6c63ecad9149692fb6f5c1841c4464fa1f59eb479b5a54aca0c50ad5838c2"
}

# logs from daemon
time="2024-10-13T12:00:01Z" level=fatal msg="failed to create necessary spend info to send unbonding tx" err="cannot create witness for sending unbonding tx. Unbonding data does not contain all necessary signatures. Required: 3, received: 5" stakingTxHash=d719c670342d1c983a1afc73f19f989fd486d99981cbc0591989f873fb8ea698

[KonradStaniec]

fixed in #53