innitial commit (#913)

Update GetMessageAsync log information, add the reason LeaseLost.

src/DurableTask.AzureStorage/Messaging/ControlQueue.cs

@@ -184,7 +184,7 @@ await batch.ParallelForEachAsync(async delegate (QueueMessage queueMessage)
                     }
                 }
 
-                this.Release(CloseReason.Shutdown, $"ControlQueue GetMessagesAsync cancelled by: {(this.releaseCancellationToken.IsCancellationRequested ? "control queue released token cancelled" : "")} {(cancellationToken.IsCancellationRequested ? "shutdown token cancelled" : "")}");
+                this.Release(cancellationToken.IsCancellationRequested ? CloseReason.Shutdown : CloseReason.LeaseLost, $"ControlQueue GetMessagesAsync cancelled by: {(this.releaseCancellationToken.IsCancellationRequested ? "control queue released token cancelled" : "")} {(cancellationToken.IsCancellationRequested ? "shutdown token cancelled" : "")}");
                 return EmptyMessageList;
             }
         }