fix masquerade bug when current_user is hasn't been confirmed
fix masquerade bug when current_user is hasn't been confirmed

nusedutech/coursemology.org,nnamon/coursemology.org,allenwq/coursemology.org,dariusf/coursemology.org,nnamon/coursemology.org,Coursemology/coursemology.org,allenwq/coursemology.org,allenwq/coursemology.org,allenwq/coursemology.org,Coursemology/coursemology.org,nusedutech/coursemology.org,nnamon/coursemology.org,nusedutech/coursemology.org,dariusf/coursemology.org,nusedutech/coursemology.org,dariusf/coursemology.org,dariusf/coursemology.org,allenwq/coursemology.org,dariusf/coursemology.org,Coursemology/coursemology.org,Coursemology/coursemology.org,nnamon/coursemology.org,nnamon/coursemology.org,Coursemology/coursemology.org,nusedutech/coursemology.org