We've had a number of discussions about this topic and how it causes conflicting issues relating to student browser and email configurations. We don't have plans to bring this back right now, but we will keep it on the list to review again as it does seem like a feature people would like back. Here is a documented workaround in the interim (which you may have already seen): https://community.trivantis.com/forums/topic/send-email-action-3/page/2/
