Fix Symfony DI bug

• If gridelements or mask is not installed the compilation process of Symfony DI fails due to missing class

Configuration/Services.php

+<?php
+
+declare(strict_types=1);
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $services = $containerConfigurator->services();
+    $services->defaults()
+             ->private()
+             ->autowire()
+             ->autoconfigure();
+
+    $services->load('TYPO3\\Languagevisibility\\', __DIR__ . '/../Classes/')->exclude([
+        __DIR__ . '/../Classes/Xclass/Gridelements',
+        __DIR__ . '/../Classes/Xclass/Mask',
+    ]);
+
+    $services->set(TYPO3\Languagevisibility\Element\Element::class)->autowire(false)->autoconfigure(false);
+    $services->set(TYPO3\Languagevisibility\Element\ContentElement::class)->autowire(false)->autoconfigure(false);
+    $services->set(TYPO3\Languagevisibility\Element\RecordElement::class)->autowire(false)->autoconfigure(false);
+
+    if(ExtensionManagementUtility::isLoaded('gridelements')) {
+        $services->set(TYPO3\Languagevisibility\Xclass\Gridelements\Gridelements::class);
+    }
+
+    if(ExtensionManagementUtility::isLoaded('mask')) {
+        $services->set(TYPO3\Languagevisibility\Xclass\Mask\InlineHelper::class);
+    }
+};