Allow template overrides in Symfony >= 3.4 (#519)

* Allow template overrides in sf >= 3.4

* backwards compatible syntax

* Updated tests

Author: andythorne

Controller/AuthorizeController.php

@@ -195,7 +195,7 @@ public function authorizeAction(Request $request)
         }
 
         return $this->templating->renderResponse(
-            'FOSOAuthServerBundle:Authorize:authorize.html.'.$this->templateEngineType,
+            '@FOSOAuthServer/Authorize/authorize.html.'.$this->templateEngineType,
             [
                 'form' => $form->createView(),
                 'client' => $this->getClient(),

Resources/views/Authorize/authorize.html.twig

@@ -1,5 +1,5 @@
-{% extends "FOSOAuthServerBundle::layout.html.twig" %}
+{% extends "@FOSOAuthServer/layout.html.twig" %}
 
 {% block fos_oauth_server_content %}
-{% include "FOSOAuthServerBundle:Authorize:authorize_content.html.twig" %}
+{% include "@FOSOAuthServer/Authorize/authorize_content.html.twig" %}
 {% endblock fos_oauth_server_content %}

Tests/Controller/AuthorizeControllerTest.php

@@ -313,7 +313,7 @@ public function testAuthorizeActionWillRenderTemplate()
             ->expects($this->at(0))
             ->method('renderResponse')
             ->with(
-                'FOSOAuthServerBundle:Authorize:authorize.html.twig',
+                '@FOSOAuthServer/Authorize/authorize.html.twig',
                 [
                     'form' => $this->formView,
                     'client' => $this->client,
@@ -472,7 +472,7 @@ public function testAuthorizeActionWillEnsureLogout()
             ->expects($this->at(0))
             ->method('renderResponse')
             ->with(
-                'FOSOAuthServerBundle:Authorize:authorize.html.twig',
+                '@FOSOAuthServer/Authorize/authorize.html.twig',
                 [
                     'form' => $this->formView,
                     'client' => $this->client,