Fix PHPStan warning for method_exists check

Signed-off-by: bota <Bota@dotkernel.com>

Author: SergiuBota1

src/Swoole/Delegators/TCPServerDelegator.php

@@ -64,6 +64,7 @@ public function __invoke(ContainerInterface $container, string $serviceName, cal
                 $commandClass    = $commandMap[$commandName];
                 $application     = new Application();
                 $commandInstance = $container->get($commandClass);
+                /** @phpstan-ignore function.alreadyNarrowedType */
                 if (method_exists($application, 'addCommand')) {
                     $application->addCommand($commandInstance);
                 } else {