2021-10-11-fix-number-selected-categories-not-correct.md

title	issue
Fix the number of the selected categories is not correct	NEXT-17707

Administration

• Changed onDeleteCategory method in src/module/sw-category/component/sw-category-tree/index.js to set checkedElementsCount when delete item.
• Changed deleteCheckedItems method in src/module/sw-category/component/sw-category-tree/index.js.