[Bug] Sending execution transactions with additional fees fails

[ilitteri]

🐛 Bug Report

After broadcasting an Execution Transaction made from an Execution I got a "Mismatch Transaction ID...". I think that this happens because the additional_fee is not being added to the Transaction build (I printed the additional fee in this line and is matched to None no matter if there is or there isn't an additional fee in the request).

Expected Behavior

The Execution Transaction should be added to the mempool.