Media modal: make sure the Close button is focused after attempting to close the onscreen keyboard on touch devices. Props celloexpressions, fixes #29166.
Built from https://develop.svn.wordpress.org/trunk@29473


git-svn-id: http://core.svn.wordpress.org/trunk@29251 1a063a9b-81f0-0310-95a4-ce76da25c4cd