message: Restore use of full mxid login
  See
diff: @@ -25,7 +25,7 @@ import sdk from '../../../index';
  import Login from '../../../Login';
  import SdkConfig from '../../../SdkConfig';
  import { messageForResourceLimitError } from '../../../utils/ErrorUtils';
  -import {ValidatedServerConfig} from "../../../utils/AutoDiscoveryUtils";
  +import AutoDiscoveryUtils, {ValidatedServerConfig} from "../../../utils/AutoDiscoveryUtils";
  // For validating phone numbers without country codes
  const PHONE_NUMBER_REGEX = /^[0-9()\-\s]*$/;
  @@ -235,21 +235,25 @@ module.exports = React.createClass({
  this.setState({ username: username });
  },
  - onUsernameBlur: function(username) {
  + onUsernameBlur: async function(username) {
  this.setState({
  username: username,
  + busy: true, // unset later by the result of onServerConfigChange
  errorText: null,
  });
  - if (username[0] === "@" && false) { // TODO: TravisR - Restore this
  + if (username[0] === "@") {
  const serverName = username.split(':').slice(1).join(':');
  try {
  - // we have to append 'https://' to make the URL constructor happy
  - // otherwise we get things like 'protocol: matrix.org, pathname: 8448'
  - const url = new URL("https://" + serverName);
  - this._tryWellKnownDiscovery(url.hostname);
  + const result = await AutoDiscoveryUtils.validateServerName(serverName);
  + this.props.onServerConfigChange(result);
  } catch (e) {
  console.error("Problem parsing URL or unhandled error doing .well-known discovery:", e);
  - this.setState({errorText: _t("Failed to perform homeserver discovery")});
  +
  + let message = _t("Failed to perform homeserver discovery");
  + if (e.translatedMessage) {
  + message = e.translatedMessage;
  + }
  + this.setState({errorText: message, busy: false});
  }
  }
  },
  