Can you try adding "Set last modified date" process step to "Dam Update Asset" workflow & verify. If it works then may be due to introduction of 'event-user-data:changedByWorkflowProcess' flag in sp.
Can you try adding "Set last modified date" process step to "Dam Update Asset" workflow & verify. If it works then may be due to introduction of 'event-user-data:changedByWorkflowProcess' flag in sp.