message: Exclude 1-commit PRs from `clear-pr-merge-commit-message`
diff: @@ -21,6 +21,10 @@ features.add({
  include: [
  pageDetect.isPRConversation
  ],
  + exclude: [
  + // Don't clear 1-commit PRs #3140
  + () => select.all('.TimelineItem.js-commit').length === 1
  + ],
  additionalListeners: [
  onPrMergePanelOpen
  ],
  