message: Don't show the wrong `reactions-avatars`
  Fixes
diff: @@ -54,9 +54,15 @@ function init(): void {
  for (const list of select.all('.has-reactions .comment-reactions-options:not(.rgh-reactions)')) {
  const avatarLimit = arbitraryAvatarLimit - (list.children.length * approximateHeaderLength);
  - const participantByReaction = [...list.children as HTMLCollectionOf<HTMLElement>].map(getParticipants);
  + const participantByReaction = select
  + .all(':scope > :not([data-tooltip-url])', list)
  + .map(getParticipants);
  const flatParticipants = flatZip(participantByReaction, avatarLimit);
  + if (flatParticipants.length === 0) {
  + continue;
  + }
  +
  for (const {container, username, imageUrl} of flatParticipants) {
  container.append(
  // Without this, Firefox will follow the link instead of submitting the reaction button
  