message: linkify in markup.js now adds keys to multiple links.
  Notably, LID "VIEWWALLET_Subtitle" was causing an issue here, since it
  had more than one link. React was complaining about it but now it's all
  good.
diff: @@ -22,7 +22,7 @@ function linkify(mdString: string) {
  let i = 0;
  while (i + 1 < parts.length) {
  result.push(decodeHTMLEntities(parts[i]));
  - result.push(<a href={parts[i + 2]} target="_blank">{parts[i + 1]}</a>);
  + result.push(<a key={'linkify-' + i} href={parts[i + 2]} target="_blank">{parts[i + 1]}</a>);
  i += 3;
  }
  result.push(decodeHTMLEntities(parts[parts.length - 1]));
  