Update auth module block processing hooks

[ishantiw]

Description

• Update transaction verification part according to LIP0041:Block Processing:Transaction Verification which is basically implemented using below functions as described in the LIP

  • verifyTransaction
  • verifyNonce
  • verifySignatures

• Update beforeCommandExecution

Acceptance Criteria

• Update/Add unit tests covering all the conditions for each function separately and the Verify function itself
• Update unit tests for beforeCommandExecution

Additional Information

• https://github.com/LiskHQ/lips/pull/145