message: Fix bug with NetworkList dropdown
  The NetworkDropdown component was incorrectly guarding against a null
  check when retrieving the list of networks
diff: @@ -131,10 +131,11 @@ export default class NetworkDropdown extends React.Component {
  _getMenuOptions() {
  const options = [];
  + const roomDirectory = this.props.config.roomDirectory || {};
  let servers = [];
  - if (this.props.config.roomDirectory.servers) {
  - servers = servers.concat(this.props.config.roomDirectory.servers);
  + if (roomDirectory.servers) {
  + servers = servers.concat(roomDirectory.servers);
  }
  if (!servers.includes(MatrixClientPeg.getHomeServerName())) {
  