Ticket #18382: 18382.fix-glitch.diff

wp-admin/js/common.dev.js

@@ -20 +20 @@
 
                 this.flyout( $('#adminmenu li.wp-has-submenu') );
 
-                this.fold( ! $('body').hasClass('folded') );
+                // turn off flyouts on the active menu if not folded
+                if ( ! $('body').hasClass('folded') )
+                        this.flyout( $('#adminmenu li.wp-has-current-submenu'), 1 );
         },
 
         restoreMenuState : function() {