fix(dapi): fix parsing chainlocks received via ZMQ

[pshenmic]

Issue being fixed or feature implemented

Fix parsing chainlocks coming from ZMQ listener

What was done?

Changed rawchainlock subscription to rawchainlocksig subscriptions and parse it as ChainLockSigMessage from dashcore-lib

How Has This Been Tested?

Running tests in dapi and platform test suite + debugging via console.log

Breaking Changes

No

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone

[shumkov]

👍

[markin-io]

utACK