Themes: Add missing close tag, see [26462]. see #25959.
Built from https://develop.svn.wordpress.org/trunk@26473


git-svn-id: http://core.svn.wordpress.org/trunk@26371 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Widgets: highlight all drop zones (open and closed sidebars) on starting to drag a widget to indicate "droppability", fixes #26168.
Built from https://develop.svn.wordpress.org/trunk@26474


git-svn-id: http://core.svn.wordpress.org/trunk@26372 1a063a9b-81f0-0310-95a4-ce76da25c4cd