[WebProfilerBundle] Update ajax calls in toolbar to add the css error class

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig

@@ -90,6 +90,9 @@
                             rows.appendChild(row);
 
                             var methodCell = document.createElement('td');
+                            if (request.error) {
+                                methodCell.className = 'sf-ajax-request-error';
+                            }
                             methodCell.textContent = request.method;
                             row.appendChild(methodCell);
 

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/toolbar.css.twig

@@ -315,7 +315,7 @@
     text-align: right;
 }
 .sf-ajax-request-error {
-    color: #a33;
+    color: #a33 !important;
 }
 .sf-ajax-request-loading {
     -webkit-animation: sf-blink .5s ease-in-out infinite;