Don't use the box shadow focus styling for the admin menu or toolbar. see #28267.

Built from https://develop.svn.wordpress.org/trunk@28616


git-svn-id: http://core.svn.wordpress.org/trunk@28440 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix a jshint error introduced in [28607]. see #23560.

Built from https://develop.svn.wordpress.org/trunk@28617


git-svn-id: http://core.svn.wordpress.org/trunk@28441 1a063a9b-81f0-0310-95a4-ce76da25c4cd
When queries are passed to `WP_Tax_Query`, the value for `operator` is assumed to be uppercase. This is an unnecessary constraint. In `->get_sql()`, cast it using `$operator = strtoupper( $query['operator'] )`.

Props clifgriffin.
Fixes #27557.

Built from https://develop.svn.wordpress.org/trunk@28618


git-svn-id: http://core.svn.wordpress.org/trunk@28442 1a063a9b-81f0-0310-95a4-ce76da25c4cd