add delegate when success refresh token and fix bug crash

Author: Arief Nur Putranto

QiscusCore.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
 s.name         = "QiscusCore"
-s.version      = "1.13.1"
+s.version      = "1.13.2"
 s.summary      = "Qiscus Core SDK for iOS"
 s.description  = <<-DESC
 Qiscus SDK for iOS contains Qiscus public Model.

Source/QiscusCore/Network/NetworkManager.swift

@@ -71,7 +71,9 @@ class NetworkManager: NSObject {
         if QiscusCore.enableExpiredToken == true {
             if errorMessage.lowercased() == "Unauthorized. Token is expired".lowercased(){
                 QiscusCore.shared.refreshToken { isSuccess in
-                    
+                    if let delegate = QiscusCore.delegate {
+                        delegate.onRefreshToken(event: QiscusRefreshTokenEvent.isSuccessAutoRefreshToken)
+                    }
                 } onError: { error in
                     if let delegate = QiscusCore.delegate {
                         delegate.onRefreshToken(event: QiscusRefreshTokenEvent.isUnauthorized)

Source/QiscusCore/Protocol/QiscusConnectionDelegate.swift

@@ -25,6 +25,7 @@ public enum QiscusConnectionState : String{
 public enum QiscusRefreshTokenEvent : String {
     case isUnauthorized = "unauthorized"
     case isTokenExpired = "tokenexpired"
+    case isSuccessAutoRefreshToken = "success"
 }
 
 public protocol QiscusCoreDelegate {

Source/QiscusCore/QiscusWorkerManager.swift

@@ -196,12 +196,8 @@ class QiscusWorkerManager {
     }
 
     private func pending() {
-        if Thread.isMainThread {
-           sendPendingMessage()
-        } else {
-            DispatchQueue.global(qos: .background).sync {
-                sendPendingMessage()
-            }
+        DispatchQueue.global(qos: .background).async {
+            self.sendPendingMessage()
         }
     }