[AiBundle] Fix ollama configuration when a custom http_client is set

Author: lyrixx

src/ai-bundle/src/AiBundle.php

@@ -575,7 +575,7 @@ private function processPlatformConfig(string $type, array $platform, ContainerB
                     ->setLazy(true)
                     ->setArguments([
                         $platform['host_url'],
-                        new Reference('http_client'),
+                        new Reference($platform['http_client']),
                     ]);
 
                 $container->setDefinition('ai.platform.model_catalog.ollama', $catalogDefinition);