[Hawtio] MBean context isn't switched properly

Checked in 7.8.1 CR2 build:

Test Case Description

Hawtio works fine with different symbols in broker name

Test Data

A queue

Precondition

1. Edit broker.xml and change the broker name to   

   <name>hello-there!@#$%^*)(_+1>\/'"-addresses-ExpiryQueue</name>

1. Run a standalone broker instance.

Test Steps

1. Browse different pages in hawtio

Expected result:

Hawtio renders pages without errors
Actual result: 
FAILED 

Some pages show the error:

Pages: Connections, Sessions, Consumers, Producers, Addresses, Queues, 

could not invoke list sessionsjavax.management.InstanceNotFoundException : org.apache.activemq.artemis:broker="hello-there!@#$%^\*)(_+1>\\/'\"-addresses-ExpiryQueue"

Uncaught TypeError: Cannot read property 'selectParentNode' of undefined

TypeError: Cannot read property 'NodeID' of undefined

BrokerDiagram doesn't work: