Prevent the spinner from bumping the Cancel button to a new line in de_DE and ru_RU. Fixes #21890; props SergeyBiryukov, ocean90.


git-svn-id: https://develop.svn.wordpress.org/trunk@26624 602fd350-edb4-49c9-b593-d223f7449a82
Add wp_prepare_themes_for_js filter to wp_prepare_themes_for_js().

props kovshenin.
fixes #25948.


git-svn-id: https://develop.svn.wordpress.org/trunk@26625 602fd350-edb4-49c9-b593-d223f7449a82