Ticket #31545: 31545.patch

src/wp-admin/js/edit-comments.js

@@ -603 +603 @@
                                         disableInInput: true,
                                         type: 'keypress',
                                         noDisable: '.check-column input[type="checkbox"]'
-                                }
+                                },
+                                cycle_expr: '#the-comment-list tr',
+                                start_row_index: 0
                         }
                 );
         }