Fix an issue of not initialize SDDL cache when deserialize HierarchyD…

…irectoryTransfer from journal in code for .Net Core platform.

lib/TransferJobs/HierarchyDirectoryTransfer.cs

@@ -220,6 +220,7 @@ private void OnDeserializedCallback(StreamingContext context)
             // Constructors and field initializers are not called by DCS, so initialize things here
             progressUpdateLock = new ReaderWriterLockSlim();
             continuationTokenLock = new object();
+            this.azureFileDirectorySDDLCache = new AzureFileDirectorySDDLCache();
 
             if (!IsStreamJournal)
             {