Merge branch '2.3'

* 2.3:
  ErrorHandler and fixes
  fixed typo in CS translation (closes #8069)
  fix arab translation
  Removed reference to Symfony\Component\Form\Extension\Core\Type\FormType in form.xml
  slovenian validator translations updated
  [FrameworkBundle] set the dispatcher in the console application
  [Console] fix typehint for Application::setDispatcher
  [Finder] Fixed a path in a test.
  [Form] [Validator] Fixed post_max_size = 0 bug (Issue #8065)

Author: fabpot

Application.php

@@ -33,7 +33,7 @@
 use Symfony\Component\Console\Event\ConsoleCommandEvent;
 use Symfony\Component\Console\Event\ConsoleExceptionEvent;
 use Symfony\Component\Console\Event\ConsoleTerminateEvent;
-use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 /**
  * An Application is the container for a collection of commands.
@@ -88,7 +88,7 @@ public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
         }
     }
 
-    public function setDispatcher(EventDispatcher $dispatcher)
+    public function setDispatcher(EventDispatcherInterface $dispatcher)
     {
         $this->dispatcher = $dispatcher;
     }