Comments moderation screen:
- Don't resize the textarea when replying to long comments.
- Limit the resizing of the textarea when quick-editing long comments to 500px.
Props SergeyBiryukov, fixes #25746.
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Themes: Update the CSS definitions in the SCSS files to be as specific as the base CSS rules. See #25948, #25966

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Quicktags: fix int/string strict comparison, see #26046.
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git-svn-id: http://core.svn.wordpress.org/trunk@26444 1a063a9b-81f0-0310-95a4-ce76da25c4cd