#519: Added parameter in a backward-compatible way

Author: sivaschenko

app/code/Magento/PageBuilder/Component/Form/HtmlCode.php

@@ -8,6 +8,7 @@
 
 use Magento\Backend\Model\UrlInterface as BackendUrlInterface;
 use Magento\Cms\Helper\Wysiwyg\Images;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\View\Element\UiComponentFactory;
 use Magento\Framework\View\Element\UiComponent\ContextInterface;
 use Magento\Ui\Component\Form\Element\DataType\Media\OpenDialogUrl;
@@ -51,7 +52,7 @@ class HtmlCode extends \Magento\Ui\Component\Form\Field
      * @param BackendUrlInterface $backendUrl
      * @param Images $imagesHelper
      * @param VariableConfig $variableConfig
-     * @param OpenDialogUrl $openDialogUrl
+     * @param OpenDialogUrl|null $openDialogUrl
      * @param string $currentTreePath
      * @param array $components
      * @param array $data
@@ -62,7 +63,7 @@ public function __construct(
         BackendUrlInterface $backendUrl,
         Images $imagesHelper,
         VariableConfig $variableConfig,
-        OpenDialogUrl $openDialogUrl,
+        OpenDialogUrl $openDialogUrl = null,
         $currentTreePath = 'wysiwyg',
         $components = [],
         array $data = []
@@ -71,7 +72,7 @@ public function __construct(
         $this->imagesHelper = $imagesHelper;
         $this->variableConfig = $variableConfig;
         $this->currentTreePath = $currentTreePath;
-        $this->openDialogUrl = $openDialogUrl;
+        $this->openDialogUrl = $openDialogUrl ?: ObjectManager::getInstance()->get(OpenDialogUrl::class);
         parent::__construct($context, $uiComponentFactory, $components, $data);
     }