message: ranking: added delay for touch devices;
diff: @@ -120,6 +120,8 @@ export class QuestionRankingModel extends QuestionCheckboxModel {
  self.sortableInst = new Sortable(domNode, {
  animation: 100,
  forceFallback: true,
  + delay: 200,
  + delayOnTouchOnly: true,
  handle: IsMobile
  ? "." + self.cssClasses.itemIconContainer
  : "." + self.cssClasses.itemContent,
  