Binding queue using existing cosumerChannel (#1716)

Co-authored-by: Alan.Yu <alan.yu@hidglobal.com>

src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs

@@ -143,13 +143,10 @@ namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
                 {
                     _persistentConnection.TryConnect();
                 }
-
-                using (var channel = _persistentConnection.CreateModel())
-                {
-                    channel.QueueBind(queue: _queueName,
-                                      exchange: BROKER_NAME,
-                                      routingKey: eventName);
-                }
+ 
+                _consumerChannel.QueueBind(queue: _queueName,
+                                    exchange: BROKER_NAME,
+                                    routingKey: eventName);
             }
         }