Fixed issue with a Compute file change that was made during warning removal.

Author: MiYanni

src/ServiceManagement/Compute/Sync/Upload/ExtensionMethods.cs

@@ -237,7 +237,11 @@ public static string DumpStorageExceptionErrorDetails(StorageException storageEx
 
             var message = new StringBuilder();
             message.AppendLine("StorageException details");
+#if NETSTANDARD
             message.Append("Error.Code:").AppendLine(storageException.RequestInformation.ErrorCode);
+#else
+            message.Append("Error.Code:").AppendLine(storageException.RequestInformation.ExtendedErrorInformation.ErrorCode);
+#endif
             message.Append("ErrorMessage:").AppendLine(storageException.RequestInformation.ExtendedErrorInformation.ErrorMessage);
             foreach (var key in storageException.RequestInformation.ExtendedErrorInformation.AdditionalDetails.Keys)
             {