message: Generate better subject if none is set for custom requests
diff: @@ -111,15 +111,11 @@ export default class MailtoDropdown extends Component {
  MAILTO_HANDLERS[h].countries.some((c) => ['all', globals.country].includes(c))
  );
  + const my_ref_text = `${t_r('my-reference', props.letter.props.language)}: ${props.letter.props.reference}`;
  const data = {
  email: props.email,
  subject: encodeURIComponent(
  - props.letter.props.subject +
  - ' (' +
  - t_r('my-reference', props.letter.props.language) +
  - ': ' +
  - props.letter.props.reference +
  - ')'
  + props.letter.props.subject ? `${props.letter.props.subject} (${my_ref_text})` : my_ref_text
  ),
  body: encodeURIComponent(props.letter.toEmailString()),
  };
  