Fix race condition on close consumer while reconnect to broker. (apac…

…he#7589)

### Modifications

Add state check when connection opened of the consumer. If the consumer state is closing or closed, we don’t need to send the subscribe command

pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java

@@ -729,6 +729,14 @@ public void negativeAcknowledge(MessageId messageId) {
 
     @Override
     public void connectionOpened(final ClientCnx cnx) {
+        if (getState() == State.Closing || getState() == State.Closed) {
+            setState(State.Closed);
+            closeConsumerTasks();
+            client.cleanupConsumer(this);
+            failPendingReceive();
+            clearReceiverQueue();
+            return;
+        }
         setClientCnx(cnx);
         cnx.registerConsumer(consumerId, this);