<p>
  <button class='btn' {{action "showChangeCategory"}}>{{i18n topics.bulk.change_category}}</button>
  <button class='btn' {{action "deleteTopics"}}>{{i18n topics.bulk.delete}}</button>
  <button class='btn' {{action "closeTopics"}}>{{i18n topics.bulk.close_topics}}</button>
  <button class='btn' {{action "archiveTopics"}}>{{i18n topics.bulk.archive_topics}}</button>
</p>
<p>
  <button class='btn' {{action "showNotificationLevel"}}>{{i18n topics.bulk.notification_level}}</button>
  <button class='btn' {{action "resetRead"}}>{{i18n topics.bulk.reset_read}}</button>
</p>
