Add file links for described classes

Author: yceruto

Resources/config/console.xml

@@ -160,6 +160,7 @@
             <argument type="collection" /> <!-- All services form types are stored here by FormPass -->
             <argument type="collection" /> <!-- All type extensions are stored here by FormPass -->
             <argument type="collection" /> <!-- All type guessers are stored here by FormPass -->
+            <argument type="service" id="debug.file_link_formatter" on-invalid="null" />
             <tag name="console.command" command="debug:form" />
         </service>
     </services>