Add widgets page draggable/sortable items to -ms-touch-action rules for proper touch scrolling in IE 10 and 11.
Built from https://develop.svn.wordpress.org/trunk@26820


git-svn-id: http://core.svn.wordpress.org/trunk@26707 1a063a9b-81f0-0310-95a4-ce76da25c4cd