add missing parameter for changed function signature

To achieve the functionality 'do not extend the command if no aggregateId is presented' in commit 5a099d5c3307183add681320784f7a4a114f6d50, you changed the method-signature for 'workflow'.

It seems as if in line 617 it has been forgotten to change the call of 'workflow', so this patch adds the aggregate-id as the first parameter.