unwanted extra space between username and content

[frankli0324]

Bug Report

Current Behavior

fof/best-answer currently adds this css to the site: https://github.com/FriendsOfFlarum/best-answer/blob/master/resources/less/forum.less#L87-L88

@media @desktop-up {
  .Post-header {
    & > ul {
      display: flex;
      flex-wrap: wrap;
    }
  }
}

this caused:

and without that:

Environment

• Flarum version: 1.8.1
• Extension version: 1.3.1

Not sure whether that's intended behavior

[frankli0324]

oh I understood that it's intended to make the "best answer" badge float to the right..
but anyway it introduces the extra space.