message: Add participant username as title to reactions avatars
diff: @@ -29,7 +29,7 @@ function add() {
  for (const participant of flatParticipants) {
  participant.container.append(
  - <a href={`/${participant.username}`}>
  + <a href={`/${participant.username}`} aria-label={participant.username} class="tooltipped tooltipped-n rgh-tooltipped">
  <img src={`/${participant.username}.png?size=${window.devicePixelRatio * 20}`}/>
  </a>
  );
  