[WebProfilerBundle][TwigBundle] Fix infinite js loop on exception pages

src/Symfony/Bundle/TwigBundle/Resources/views/base_js.html.twig

@@ -512,6 +512,7 @@
                         var altContent = toggle.getAttribute('data-toggle-alt-content');
                         toggle.innerHTML = currentContent !== altContent ? altContent : originalContent;
                     });
+                }
 
                 /* Prevents from disallowing clicks on links inside toggles */
                 var toggleLinks = document.querySelectorAll('.sf-toggle a');
@@ -521,7 +522,6 @@
                     });
                 }
             }
-            }
         };
     })();