ClassCastException when consuming a message using OpenWire

Issue

When consuming messages that have message properties set, such as "_HDR_BROKER_PATH", "__HDR_CLUSTER", "test-cluster", "__HDR_USER_ID", The following error get thrown by the broker:

WARN [org.apache.activemq.artemis.core.server] Error during message dispatch: java.lang.ClassCastException: org.apache.activemq.artemis.api.core.SimpleString cannot be cast to [B
 at org.apache.activemq.artemis.core.protocol.openwire.OpenWireMessageConverter.toAMQMessage(OpenWireMessageConverter.java:629) [artemis-openwire-protocol-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.protocol.openwire.OpenWireMessageConverter.createMessageDispatch(OpenWireMessageConverter.java:501) [artemis-openwire-protocol-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.protocol.openwire.amq.AMQConsumer.handleDeliver(AMQConsumer.java:258) [artemis-openwire-protocol-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.protocol.openwire.amq.AMQSession.sendMessage(AMQSession.java:312) [artemis-openwire-protocol-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.deliverStandardMessage(ServerConsumerImpl.java:1161) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.proceedDeliver(ServerConsumerImpl.java:504) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.QueueImpl.proceedDeliver(QueueImpl.java:3510) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.QueueImpl.deliver(QueueImpl.java:2856) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.QueueImpl.access$2300(QueueImpl.java:122) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.core.server.impl.QueueImpl$DeliverRunner.run(QueueImpl.java:3848) [artemis-server-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:42) [artemis-commons-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:31) [artemis-commons-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:66) [artemis-commons-2.11.0-SNAPSHOT.jar:2.11.0-SNAPSHOT]
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_232]