Add missing unit test for AuthModule Hooks

[has5aan]

AuthModule Hooks

Description

• Test missing for AuthModule.beforeExecuteCommand(), it creates a new account if it doesn't exists using the address in the transaction. This is updated under Add missing unit tests for Auth module Hooks #7913
• The expected functionality mentioned below has been covered by the changes made under Auth module improvements #7864.
  Test missing for AuthModule.verifyTransaction(), it creates a senderAccount if ImmutableSubStore.getWithSchema() throws NotFoundError. In reference to LIP 0041, Transaction.nonce is to be set to zero and transaction is to be validated.

Which version(s) does this affect? (Environment, OS, etc...)

Lisk SDK development branch.

[has5aan]

This is resolved in #7864 and #7913.