Ticket #36050: 36050.diff

wp-admin/js/customize-controls.js

@@ -685 +685 @@
                                                 // Fix the height after browser resize.
                                                 $( window ).on( 'resize.customizer-section', _.debounce( resizeContentHeight, 100 ) );
 
-                                                section._recalculateTopMargin();
+                                                setTimeout( _.bind( section._recalculateTopMargin, section ), 0 );
                                         };
                                 }