Add a 200ms delay when dragging a meta box on mobile devices, to prevent inadvertently dragging meta boxes around on a touch screen.

props helenyhou, georgestephanis. fixes #20557.



git-svn-id: https://develop.svn.wordpress.org/trunk@20614 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/js/postbox.dev.js

@@ -71,6 +71,7 @@ var postboxes;
 				items: '.postbox',
 				handle: '.hndle',
 				cursor: 'move',
+				delay: ( $('body').hasClass('mobile') ? 200 : 0 ),
 				distance: 2,
 				tolerance: 'pointer',
 				forcePlaceholderSize: true,