REACH-55 Simple code block fails to resolve in UI

This PR solves bug "REACH-56 Code blocks crash DynamoWebServer on refresh" as well.

Any CBN has `inputs`, `outputs` and `this.get('extra').inputs` are `undefined`. That's why CBN is marked as updated and send to the Dynamo empty value. The Dynamo delete CBN and then nothing happens after updating value in the Flood
just small mistake was here. this line was unreachable