message: Correctly round the Fork button on unforkable private repos
diff: /* The Watchers count visible (and clickable) when the dropdown is open */
  /* This isn't possible for the Forks count because of an incompatible DOM structure and #2368 */
  .rgh-hide-watch-and-fork-count:not(.rgh-forked-to) .btn-with-count[title^='Fork your own'],
  +.rgh-hide-watch-and-fork-count:not(.rgh-forked-to) .btn-with-count[aria-label^='Cannot fork'],
  .rgh-hide-watch-and-fork-count details:not([open]) .btn-with-count[data-ga-click^='Repository, click Watch'] {
  border-radius: 6px; /* Matches GitHub's default */
  }
  