fix(info): use openDialog to open AddPeopleDialog

openAddPeopleDialog() got removed so instead call openDialog
with the AddPeopleDialog.

react/features/invite/components/InfoDialog.web.js

 import PropTypes from 'prop-types';
 
 import { getInviteURL } from '../../base/connection';
+import { openDialog } from '../../base/dialog';
 import { translate } from '../../base/i18n';
 
-import { openAddPeopleDialog } from '../actions';
+import AddPeopleDialog from './AddPeopleDialog';
 
 const logger = require('jitsi-meet-logger').getLogger(__filename);
 
      * @returns {void}
      */
     _onOpenInviteDialog() {
-        this.props.dispatch(openAddPeopleDialog());
+        this.props.dispatch(openDialog(AddPeopleDialog));
 
         if (this.props.onClose) {
             this.props.onClose();