The original filter location is `wp_maybe_add_fetchpriority_high_attr()` in `wp-includes/media.php`.
This commit updates the instance in `wp_get_loading_optimization_attributes()` to point to the correct file.
Follow-up to [56037], [56143], [56347].
Props tmatsuur, rajinsharwar, khokansardar.
Reviewed by azaozz, audrasjb.
Merges [56386] to the 6.3 branch.
Fixes#59067.
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git-svn-id: http://core.svn.wordpress.org/branches/6.3@55941 1a063a9b-81f0-0310-95a4-ce76da25c4cd