message: Send also domain and user localpart to HostingSignupDialog iframe
diff: @@ -47,10 +47,10 @@ export default class HostingSignupDialog extends React.PureComponent<IProps, ISt
  if (!this.hostingSignupUrl.startsWith(message.origin)) {
  return;
  }
  -
  switch (message.data.action) {
  - case 'access_token_credential_request':
  - this.sendAccessToken();
  + case 'account_credentials_request':
  + // noinspection JSIgnoredPromiseFromCall
  + this.sendAccountDetails();
  break;
  case 'openid_credentials_request':
  // noinspection JSIgnoredPromiseFromCall
  @@ -103,10 +103,14 @@ export default class HostingSignupDialog extends React.PureComponent<IProps, ISt
  }
  }
  - private sendAccessToken() {
  + private async sendAccountDetails() {
  this.sendMessage({
  - action: 'access_token_credential',
  - token: MatrixClientPeg.get().getAccessToken(),
  + action: 'account_credentials',
  + credentials: {
  + accessToken: await MatrixClientPeg.get().getAccessToken(),
  + serverName: await MatrixClientPeg.get().getDomain(),
  + userLocalpart: await MatrixClientPeg.get().getUserIdLocalpart(),
  + },
  });
  }
  