fix onSubscriptionChanged not firing for local-

This is a common case where updates (such as optedIn) should
still propagate even if we haven't sent the POST /users create
call yet. Motivation for this test was a bug was discovered
where calling OneSignal.User.pushSubscription.optIn() was not
prompting for notification permission if it was called before
the create User network call finished.

Author: jkasten2

OneSignalSDK/onesignal/core/src/main/java/com/onesignal/user/internal/subscriptions/impl/SubscriptionManager.kt

@@ -157,7 +157,10 @@ internal class SubscriptionManager(
         args: ModelChangedArgs,
         tag: String,
     ) {
-        val subscription = subscriptions.collection.firstOrNull { it.id == args.model.id }
+        val subscription =
+            subscriptions.collection.firstOrNull {
+                args.model == (it as Subscription).model
+            }
 
         if (subscription == null) {
             // this shouldn't happen, but create a new subscription if a model was updated and we