JOC should show the job chain configuration that is used for the NodeOrderPlugin

Actual condition

• In JobScheduler 1.9-SNAPSHOT new feature see JS-1193 is implemented where depending upon return code Order's state can be set or a order can be submitted to any other job chain
• For new feature new XML elements such as on_return_codes etc are added
• When user in JOC right click on job chain and choose--> show configuration
• JOC throws an error

  Job_chain: /RELEASE-TEST-1.9/01_JobChainShellJobs/01_JobChainA
  
  Cannot read property 'xml' of null
  

Desired Behavior

• JOC should show the job chain xml as for other job chains

How to reproduce/Test

• Deploy attached job chain 01_JobChainShellJobs.zip
• go to Job Chains tab in JOC
• Right click job chain 01_JobChainA --> choose show configuration