Customize: Move the WordPress logo with a white background to the `wp-includes` directory.

This ensures that the image used as a default site icon looks good on a dark background.

The image was previously changed in the `wp-admin` directory, but the site icon is now loaded from `wp-includes`.

Follow-up to [36635], [47018], [47564], [47832].

Props ocean90.
Fixes #49798.
Built from https://develop.svn.wordpress.org/trunk@47838


git-svn-id: http://core.svn.wordpress.org/trunk@47614 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -1668,7 +1668,7 @@ function do_favicon() {
 	 */
 	do_action( 'do_faviconico' );
 
-	wp_redirect( get_site_icon_url( 32, includes_url( 'images/w-logo-blue.png' ) ) );
+	wp_redirect( get_site_icon_url( 32, includes_url( 'images/w-logo-blue-white-bg.png' ) ) );
 	exit;
 }
 

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47837';
+$wp_version = '5.5-alpha-47838';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.