minor #10088 Showed the output of the command in the same CLI window (javiereguiluz)

This PR was merged into the 2.8 branch.

Discussion
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Showed the output of the command in the same CLI window

We do the same in most console examples.

Commits
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eb63b2d Showed the output of the command in the same CLI window

Author: javiereguiluz

service_container.rst

@@ -60,26 +60,25 @@ Find out by running:
 
 .. code-block:: terminal
 
-     $ php app/console debug:container
-
-This is just a *small* sample of the output:
-
-=============================== =======================================================================
-Service ID                      Class name
-=============================== =======================================================================
-doctrine                        ``Doctrine\Bundle\DoctrineBundle\Registry``
-filesystem                      ``Symfony\Component\Filesystem\Filesystem``
-form.factory                    ``Symfony\Component\Form\FormFactory``
-logger                          ``Symfony\Bridge\Monolog\Logger``
-request_stack                   ``Symfony\Component\HttpFoundation\RequestStack``
-router                          ``Symfony\Bundle\FrameworkBundle\Routing\Router``
-security.authorization_checker  ``Symfony\Component\Security\Core\Authorization\AuthorizationChecker``
-security.password_encoder       ``Symfony\Component\Security\Core\Encoder\UserPasswordEncoder``
-session                         ``Symfony\Component\HttpFoundation\Session\Session``
-translator                      ``Symfony\Component\Translation\DataCollectorTranslator``
-twig                            ``Twig\Environment``
-validator                       ``Symfony\Component\Validator\Validator\ValidatorInterface``
-=============================== =======================================================================
+    $ php app/console debug:container
+
+    # this is just a *small* sample of the output...
+    =============================== =======================================================================
+    Service ID                      Class name
+    =============================== =======================================================================
+    doctrine                        ``Doctrine\Bundle\DoctrineBundle\Registry``
+    filesystem                      ``Symfony\Component\Filesystem\Filesystem``
+    form.factory                    ``Symfony\Component\Form\FormFactory``
+    logger                          ``Symfony\Bridge\Monolog\Logger``
+    request_stack                   ``Symfony\Component\HttpFoundation\RequestStack``
+    router                          ``Symfony\Bundle\FrameworkBundle\Routing\Router``
+    security.authorization_checker  ``Symfony\Component\Security\Core\Authorization\AuthorizationChecker``
+    security.password_encoder       ``Symfony\Component\Security\Core\Encoder\UserPasswordEncoder``
+    session                         ``Symfony\Component\HttpFoundation\Session\Session``
+    translator                      ``Symfony\Component\Translation\DataCollectorTranslator``
+    twig                            ``Twig\Environment``
+    validator                       ``Symfony\Component\Validator\Validator\ValidatorInterface``
+    =============================== =======================================================================
 
 Throughout the docs, you'll see how to use the many different services that live
 in the container.