fix: submitting cluster workflow template on namespaced install returns error

[dpadhiar]

fixes #7266

Example output:

Name:                cluster-workflow-template-hello-world-lk5vb
Namespace:           argo
ServiceAccount:      unset (will run with the default ServiceAccount)
Status:              Error
Message:             cannot get resource clusterWorkflowTemplate at cluster scope
Conditions:          
Completed           True
Created:             Fri Dec 17 09:20:15 -0800 (1 minute ago)
Started:             Fri Dec 17 09:21:19 -0800 (1 second ago)
Finished:            Fri Dec 17 09:21:19 -0800 (1 second ago)
Duration:            0 seconds
Progress:            0/0

This workflow does not have security context set. You can run your workflow pods more securely by setting it.
Learn more at https://argoproj.github.io/argo-workflows/workflow-pod-security-context/

[sarabala1979]

@dpadhiar Can you. add. test. for this?

[dpadhiar]

@dpadhiar Can you. add. test. for this?

Yes, test case added.