Ticket #36533: 36533.diff

src/wp-includes/js/media-views.js

@@ -6761 +6761 @@
                         options = this.options,
                         mceEditor;
 
-                if ( $el.is(':visible') ) {
+                if ( $el.is(':visible') && $.contains( document, $el[ 0 ] ) ) {
                         return this;
                 }