guard check for RETRIEVED auth token

Author: roninopf

swift-sdk/Internal/AuthManager.swift

@@ -101,7 +101,7 @@ class AuthManager: IterableAuthManagerProtocol {
 
         pendingAuth = false
 
-        guard authToken != nil else {
+        guard retrievedAuthToken != nil else {
             delegate?.onTokenRegistrationFailed("auth token was nil, scheduling auth token retrieval in 10 seconds")
 
             /// by default, schedule a refresh for 10s