Revert [26012] for now, which had fixed using `paged` with `offset` in WP_Query but introduced side effects for those working around it.

see #18897.

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Add a `wp-video` class to the `div` that wraps video shortcode output. It was previously hard to target.

Props nofearinc.
Fixes #25896.


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Adding a SVG > PNG fallback for IE8 support. See #26348.
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Updating .wp-dialog styling to match the new admin design. Fixes #26328, props SergeyBiryukov, Ocean90.


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