Customizer: fix logo cropping.

Address a failure in the customizer site logo cropping after r60031. Check to ensure library exists before the call to findWhere.

Follow up to r60031.

Props: domainsupport, joemcgill, joedolson, kawsar007, addweb-solution-pvt-ltd, mukesh27.

Fixes #63121.



Built from https://develop.svn.wordpress.org/trunk@60054


git-svn-id: http://core.svn.wordpress.org/trunk@59390 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-views.js

@@ -5643,7 +5643,7 @@ Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
 
 			var requires = button.options.requires,
 				disabled = false,
-				modelsUploading = ! _.isEmpty( library.findWhere(  { 'uploading': true } ) );
+				modelsUploading = library && ! _.isEmpty( library.findWhere( { 'uploading': true } ) );
 
 			// Prevent insertion of attachments if any of them are still uploading.
 			if ( selection && selection.models ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-beta3-60053';
+$wp_version = '6.8-beta3-60054';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.