Replaced internal HttpKernel Extension usage in IbexaFieldTypeMatrixExtension

Author: tbialcz

composer.json

@@ -3,6 +3,8 @@
     "description": "Repository dedicated to Matrix Field Type for eZ Platform",
     "type": "library",
     "license": "GPL-2.0-only",
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "replace": {
         "ezsystems/ezplatform-matrix-fieldtype": "*"
     },

src/bundle/DependencyInjection/IbexaFieldTypeMatrixExtension.php

@@ -11,9 +11,9 @@
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\Yaml\Yaml;
 
 class IbexaFieldTypeMatrixExtension extends Extension implements PrependExtensionInterface