Backtick-escape three sets of HTML entities used in DocBlock descriptions in wp-includes/kses.php.

Without the escaping, the Code Reference/browser may inadvertently attempt to convert and display entities.

Fixes #30473.


git-svn-id: https://develop.svn.wordpress.org/trunk@30720 602fd350-edb4-49c9-b593-d223f7449a82