Ticket #54210: 54210.patch

src/js/_enqueues/admin/common.js

@@ -854 +854 @@
                 // Reset any compensation for submenus near the bottom of the screen.
                 $('#adminmenu div.wp-submenu').css('margin-top', '');
 
-                if ( viewportWidth < 960 ) {
+                if ( viewportWidth <= 960 ) {
                         if ( $body.hasClass('auto-fold') ) {
                                 $body.removeClass('auto-fold').removeClass('folded');
                                 setUserSetting('unfold', 1);