Fix typo in phpdoc. props AKTed, ocean90. fixes #23242.

git-svn-id: http://core.svn.wordpress.org/trunk@23311 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix typo in phpdoc. fixes #23090.

git-svn-id: http://core.svn.wordpress.org/trunk@23312 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Move spinner-related styles out of Localized CSS section. fixes #23000.

git-svn-id: http://core.svn.wordpress.org/trunk@23313 1a063a9b-81f0-0310-95a4-ce76da25c4cd