Merge branch '31054-issue-not-clickable-from-issue-list-while-in-manual-sort-mode' into 'master'

Added delay to drag event in manual ordering

See merge request gitlab-org/gitlab!23252

app/assets/javascripts/manual_ordering.js

@@ -29,6 +29,7 @@ const initManualOrdering = (draggableSelector = 'li.issue') => {
     issueList,
     getBoardSortableDefaultOptions({
       scroll: true,
+      fallbackTolerance: 1,
       dataIdAttr: 'data-id',
       fallbackOnBody: false,
       group: {