move last_login_at attribute merge into perform block to ensure course membership is pulled when the job is run rather than when the event is triggered
move last_login_at attribute merge into perform block to ensure course membership is pulled when the job is run rather than when the event is triggered

UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development