Disable AutoRefreshTemplateHierarchyListener

Plugin.php

<?php

// src/ContaoManager/Plugin.php
declare(strict_types=1);

namespace App\ContaoManager;

use Contao\ManagerPlugin\Config\ConfigPluginInterface;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;

class Plugin implements ConfigPluginInterface
{
    public function registerContainerConfiguration(LoaderInterface $loader, array $managerConfig): void
    {
        $loader->load(
            static function (ContainerBuilder $container): void {
                $container->addCompilerPass(new class() implements CompilerPassInterface {
                    public function process(ContainerBuilder $container): void
                    {
                        $container->removeDefinition('contao.twig.loader.auto_refresh_template_hierarchy_listener');
                    }
                });
            },
        );
    }
}