AMQ-8183 - apply maxFrameSize high cpu usage fix to Auto nio transport

also

activemq-broker/src/main/java/org/apache/activemq/transport/nio/AutoInitNioSSLTransport.java

@@ -170,6 +170,11 @@ public class AutoInitNioSSLTransport extends NIOSSLTransport {
             plain.position(plain.limit());
 
             while (true) {
+                //If the transport was already stopped then break
+                if (this.isStopped()) {
+                    return;
+                }
+
                 if (!plain.hasRemaining()) {
                     int readCount = secureRead(plain);