Fix bulk activation of network-only plugins. Fixes #26487. Props dd32.
Built from https://develop.svn.wordpress.org/trunk@27413


git-svn-id: http://core.svn.wordpress.org/trunk@27260 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Audio doesn't have the same quirks as video in the media modal. We don't have to aggressively destroy the `mejs` instance.

See #27016.


Built from https://develop.svn.wordpress.org/trunk@27414


git-svn-id: http://core.svn.wordpress.org/trunk@27261 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add some missing JSDoc blocks to media-related code.

See #27016.


Built from https://develop.svn.wordpress.org/trunk@27415


git-svn-id: http://core.svn.wordpress.org/trunk@27262 1a063a9b-81f0-0310-95a4-ce76da25c4cd