Fix Generate Button for CSRF

Resources/views/Step/csrf.html.twig

@@ -38,7 +38,7 @@
             for (i=0; i < 32; i++) {
                 result += Math.round(Math.random()*16).toString(16);
             }
-            document.getElementById('csrf_csrf_secret').value = result;
+            document.getElementById('csrfstep_csrf_secret').value = result;
         }
     </script>
 {% endblock %}