Skip inbox entry actions menu if it's be empty

app/views/inbox/_entry.haml

@@ -12,6 +12,7 @@
             %a{ href: show_user_question_path(i.question.user.screen_name, i.question.id) }
               = pluralize(i.question.answer_count, t('views.inbox.entry.response'))
         %p.answerbox__question-text= i.question.content
+      - if i.question.user_id != current_user.id || current_user.has_role?(:administrator)
         .pull-right
           .btn-group
             %button.btn.btn-default.btn-sm.dropdown-toggle{ data: { toggle: :dropdown }, aria: { expanded: false } }