Editor:

- Fix keeping text selection and scroll position when there are embeds from URL.
- Add editor setting to disable keeping selection and scroll position.
- Remove dependency on Underscore.js.
- Fix error in the Text widget editor.

Props biskobe.
Fixes #42059, see #40854.

git-svn-id: https://develop.svn.wordpress.org/trunk@41783 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/edit-form-advanced.php

@@ -628,6 +628,7 @@ if ( post_type_supports($post_type, 'editor') ) {
 		'resize' => false,
 		'wp_autoresize_on' => $_wp_editor_expand,
 		'add_unload_trigger' => false,
+		'wp_keep_scroll_position' => true,
 	),
 ) ); ?>
 <table id="post-status-info"><tbody><tr>