Real-time collaboration: change to opt-in.

Developed in https://github.com/WordPress/wordpress-develop/pull/10982.

Props czarate.
Fixes #64622.
Built from https://develop.svn.wordpress.org/trunk@61702


git-svn-id: http://core.svn.wordpress.org/trunk@61010 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/schema.php

@@ -565,7 +565,7 @@ function populate_options( array $options = array() ) {
 		'wp_notes_notify'                 => 1,
 
 		// 7.0.0
-		'enable_real_time_collaboration'  => 1,
+		'enable_real_time_collaboration'  => 0,
 	);
 
 	// 3.3.0

wp-includes/option.php

@@ -2892,7 +2892,7 @@ function register_initial_settings() {
 			'type'              => 'boolean',
 			'description'       => __( 'Enable Real-Time Collaboration' ),
 			'sanitize_callback' => 'rest_sanitize_boolean',
-			'default'           => true,
+			'default'           => false,
 			'show_in_rest'      => true,
 		)
 	);

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.0-alpha-61701';
+$wp_version = '7.0-alpha-61702';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.