message: Let Handlebars encode the mfrUrl query string
diff: @@ -89,7 +89,7 @@ export default class FileShareButton extends Component.extend(Analytics, {
  const file = this.get('file');
  const params = {
  - url: encodeURIComponent(pathJoin(config.OSF.url, file.get('guid'), 'download')),
  + url: pathJoin(config.OSF.url, file.get('guid'), 'download'),
  };
  return `${config.OSF.renderUrl}?${$.param(params)}`;
  