Allow revision Backbone classes to be used on pages other than `revision.php`.

Props ericlewis.
Fixes #30221.

Built from https://develop.svn.wordpress.org/trunk@30128


git-svn-id: http://core.svn.wordpress.org/trunk@30128 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add a single responsibility function for outputting Revisions JS templates: `wp_print_revision_templates()`.

Use it in `wp-admin/revision.php`.

Props ericlewis.
Fixes #30220.

Built from https://develop.svn.wordpress.org/trunk@30129


git-svn-id: http://core.svn.wordpress.org/trunk@30129 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Set `revision.settings` via short-circuit check for `window` property: `window._wpRevisionsSettings || {}`

Props ericlewis.
Fixes #30218.

Built from https://develop.svn.wordpress.org/trunk@30130


git-svn-id: http://core.svn.wordpress.org/trunk@30130 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions modules should not rely on global settings:

* Only pass in global settings on `init`, this allows the classes to be used agnostically elsewhere
* Clean up some erroneous/weird Backbone syntax

Props ericlewis, wonderboymusic.
Fixes #30219.

Built from https://develop.svn.wordpress.org/trunk@30131


git-svn-id: http://core.svn.wordpress.org/trunk@30131 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix unit test for video shortcode after [30082].

Fixes #30078.

Built from https://develop.svn.wordpress.org/trunk@30132


git-svn-id: http://core.svn.wordpress.org/trunk@30132 1a063a9b-81f0-0310-95a4-ce76da25c4cd
[28785] introduced a bug, where encoded query arguments were decoded by `parse_str()` inside of `wp_parse_str()` but never re-encoded later on.

This encodes them, adds unit test.

Props obenland.
Fixes #29636.

Built from https://develop.svn.wordpress.org/trunk@30133


git-svn-id: http://core.svn.wordpress.org/trunk@30133 1a063a9b-81f0-0310-95a4-ce76da25c4cd