message: Always insert suggestions for user IDs
  Fixes
diff: @@ -630,13 +630,14 @@ export default class InviteDialog extends React.PureComponent {
  // While we're here, try and autocomplete a search result for the mxid itself
  // if there's no matches (and the input looks like a mxid).
  - if (term[0] === '@' && term.indexOf(':') > 1 && r.results.length === 0) {
  + if (term[0] === '@' && term.indexOf(':') > 1) {
  try {
  const profile = await MatrixClientPeg.get().getProfileInfo(term);
  if (profile) {
  // If we have a profile, we have enough information to assume that
  - // the mxid can be invited - add it to the list
  - r.results.push({
  + // the mxid can be invited - add it to the list. We stick it at the
  + // top so it is most obviously presented to the user.
  + r.results.splice(0, 0, {
  user_id: term,
  display_name: profile['displayname'],
  avatar_url: profile['avatar_url'],
  @@ -646,8 +647,9 @@ export default class InviteDialog extends React.PureComponent {
  console.warn("Non-fatal error trying to make an invite for a user ID");
  console.warn(e);
  - // Add a result anyways, just without a profile
  - r.results.push({
  + // Add a result anyways, just without a profile. We stick it at the
  + // top so it is most obviously presented to the user.
  + r.results.splice(0, 0,{
  user_id: term,
  display_name: term,
  avatar_url: null,
  