[HttpFoundation][HttpKernel] Add more preload always-needed symbols

Author: fancyweb

Request.php

@@ -20,6 +20,7 @@ class_exists(AcceptHeader::class);
 class_exists(FileBag::class);
 class_exists(HeaderBag::class);
 class_exists(HeaderUtils::class);
+class_exists(InputBag::class);
 class_exists(ParameterBag::class);
 class_exists(ServerBag::class);