Ticket #29152: 29152.2.patch

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

@@ -5009 +5009 @@
                                 return;
                         }
 
+                        // Bail if the model is already selected
+                        if ( this.$el.hasClass( 'selected' ) ) {
+                                return;
+                        }
+
+                        // Add 'selected' class to model. Set aria-checked to true.
+                        // Make the checkbox tabable
                         this.$el.addClass( 'selected' ).attr( 'aria-checked', true )
                                         .find( '.check' ).attr( 'tabindex', '0' );