Fix broken delegation in unit test

The test didn't actually rely upon subscriptions being setup correctly, so this
mistake didn't impact the test result. It was only testing the constructor.

The mistake has still been updated to avoid confusion.

Author: Gudahtt

packages/composable-controller/src/ComposableController.test.ts

@@ -183,8 +183,8 @@ describe('ComposableController', () => {
         namespace: 'ComposableController',
         parent: messenger,
       });
-      composableControllerMessenger.delegate({
-        messenger: fooMessenger,
+      messenger.delegate({
+        messenger: composableControllerMessenger,
         events: ['FooController:stateChange', 'QuzController:stateChange'],
       });
       const composableController = new ComposableController<