Fix delegated features not being loaded

[no changelog]

src/main/kotlin/moe/nea/firmament/features/FeatureManager.kt

@@ -96,7 +96,7 @@ object FeatureManager : DataHolder<FeatureManager.Config>(serializer(), "feature
     }
 
     private fun <T : FirmamentEvent> subscribeSingleEvent(it: Subscription<T>) {
-        if (it.owner in features.values) { // TODO: better check here, somehow. probably implement some interface method
+        if (it.owner.delegateFeature in features.values) { // TODO: better check here, somehow. probably implement some interface method
             it.eventBus.subscribe(false, it.invoke) // TODO: pass through receivesCancelled from the annotation
         } else {
             Firmament.logger.error("Ignoring event listener for ${it.eventBus} in ${it.owner}")