Clarifying comment re: why we track RYW tokens for user create as well

Motivation: On fresh installs, we don't yet have a user or a subscription to update so we wouldn't get a RYW token until those requests are executed (5 seconds later when the operations are processed)

iOS_SDK/OneSignalSDK/OneSignalOSCore/Source/Consistency/IamFetch/OSIamFetchOffsetKey.swift

@@ -28,6 +28,9 @@
 import Foundation
 
 public enum OSIamFetchOffsetKey: Int, OSConsistencyKeyEnum {
+    // We track user create tokens as well because on fresh installs, we don't have a user or subscription
+    // to update, which would lead to a 5 second delay until the subsequent user & subscription update calls
+    // give us RYW tokens
     case userCreate = 0
     case userUpdate = 1
     case subscriptionUpdate = 2

iOS_SDK/OneSignalSDK/OneSignalOSCore/Source/Consistency/IamFetch/OSIamFetchReadyCondition.swift

@@ -60,6 +60,9 @@
     public func isMet(indexedTokens: [String: [NSNumber: OSReadYourWriteData]]) -> Bool {
         guard let tokenMap = indexedTokens[id] else { return false }
 
+        // We track user create tokens as well because on fresh installs, we don't have a user or subscription
+        // to update, which would lead to a 5 second delay until the subsequent user & subscription update calls
+        // give us RYW tokens
         let userCreateTokenSet = tokenMap[NSNumber(value: OSIamFetchOffsetKey.userCreate.rawValue)] != nil
         let userUpdateTokenSet = tokenMap[NSNumber(value: OSIamFetchOffsetKey.userUpdate.rawValue)] != nil
         let subscriptionTokenSet = tokenMap[NSNumber(value: OSIamFetchOffsetKey.subscriptionUpdate.rawValue)] != nil