message: use alt_aliases rather than aliases for the display alias
diff: @@ -23,7 +23,7 @@ import {MatrixClientPeg} from './MatrixClientPeg';
  * of aliases. Otherwise return null;
  */
  export function getDisplayAliasForRoom(room) {
  - return room.getCanonicalAlias() || room.getAliases()[0];
  + return room.getCanonicalAlias() || room.getAltAliases()[0];
  }
  /**
  