Remove the global config array to ArrayObject conversion

The config array to object conversion is Aura.Di specific only. Other
containers like Disco can't handle this. It's better to convert the
config array only where needed.

Aura.Di needs this since it's the only way to inject the config into
the container as it only accepts objects.

config/config.php

@@ -30,6 +30,4 @@
     }
 }
 
-// Return an ArrayObject so we can inject the config as a service in Aura.Di
-// and still use array checks like ``is_array``.
-return new ArrayObject($config, ArrayObject::ARRAY_AS_PROPS);
+return $config;

src/ExpressiveInstaller/Resources/config/container-aura-di.php

@@ -9,8 +9,8 @@
 $builder = new ContainerBuilder();
 $container = $builder->newInstance();
 
-// Inject config
-$container->set('config', $config);
+// Convert config to an object and inject it
+$container->set('config', new ArrayObject($config, ArrayObject::ARRAY_AS_PROPS));
 
 // Inject factories
 foreach ($config['dependencies']['factories'] as $name => $object) {