Break statement in extensionfield deserialization is placed within the wrong scope

The break statements in all extensionfield deserializations are placed one scope too far out. They have to occur after adding the exception to the errors list.
See: https://github.com/common-workflow-lab/cwl-ts-auto/blob/6e97333a620bbe91a3e7c5b8736ac57ef7f249e8/src/CommandLineTool.ts#L543