ViewContentMetaDataCommand.php: Fix arg type

Fix "Argument #1 ($contentId) must be of type int, string given"

Author: adriendupuis

code_samples/api/public_php_api/src/Command/ViewContentMetaDataCommand.php

@@ -53,7 +53,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $user = $this->userService->loadUserByLogin('admin');
         $this->permissionResolver->setCurrentUserReference($user);
 
-        $contentId = $input->getArgument('contentId');
+        $contentId = (int) $input->getArgument('contentId');
 
         // Metadata
         $contentInfo = $this->contentService->loadContentInfo($contentId);