Fixed critical Symfony 3.4 issue

Author: Geolim4

Resources/views/data_collector/template.html.twig

@@ -10,7 +10,7 @@
  * @author Khoa Bui (khoaofgod)  <khoaofgod@gmail.com> http://www.phpfastcache.com
 #}
 
-{% extends 'WebProfilerBundle:Profiler:layout.html.twig' %}
+{% extends '@WebProfiler/Profiler/layout.html.twig' %}
 
 {% block toolbar %}
     {% set icon %}