Inline documentation for hooks in wp-includes/ms-functions.php.

Props ShinichiN, ericlewis, rzen.
Fixes #25598.

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Better visual alignment on side-sortables tabs. Fixes #26323, props mattheu.
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Inline documentation for hooks in wp-admin/includes/update.php.

Props stevenkword for the initial patches.
Fixes #26252.

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Remove @uses from get_screen_icon() / screen_icon(). see #26119.

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