message: fix(muc): feature list
diff: @@ -310,7 +310,7 @@ class MultiUserJoinDialog {
  let feature = $(featureElement).attr('var');
  //@REVIEW true?
  - if (feature !== '' && true && feature !== 'http://jabber.org/protocol/muc') {
  + if (feature !== '' && true && feature.indexOf('muc_') === 0) {
  tableElement.appendRow(
  Translation.t(`${feature}.keyword`),
  Translation.t(`${feature}.description`)
  