Ticket #29338: 29338.6.patch

src/wp-admin/js/editor-expand.js

@@ -223 +223 @@
                 }
 
                 function mceHide() {
-                        var wrapHeight = $( '#wpwrap' ).height();
+                        window.setTimeout( function() {
+                                var top =  $contentWrap.offset().top;
 
-                        textEditorResize();
+                                if ( window.pageYOffset > top ) {
+                                        window.scrollTo( window.pageXOffset, top - heights.adminBarHeight );
+                                }
 
-                        if ( wrapHeight && $window.scrollTop() > wrapHeight ) {
-                                window.scrollTo( window.pageXOffset, wrapHeight - 1 );
-                        }
+                                textEditorResize();
+                                adjust();
+                        }, 100 );
 
                         adjust();
                 }