Fix the conditional enqueueing/printing of colors stylesheets, without breaking dependencies.

fixes #18380.
see #20729 which should properly fix this.


git-svn-id: https://develop.svn.wordpress.org/trunk@27111 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/js/user-profile.js

@@ -95,7 +95,11 @@
 
 			// Set color scheme
 			if ( user_id === current_user_id ) {
-				// Load the colors stylesheet
+				// Load the colors stylesheet.
+				// The default color scheme won't have one, so we'll need to create an element.
+				if ( 0 === $stylesheet.length ) {
+					$stylesheet = $( '<link rel="stylesheet" />' ).appendTo( 'head' );
+				}
 				$stylesheet.attr( 'href', $this.children( '.css_url' ).val() );
 
 				// repaint icons