Issue Summary

Assign issue action should support Balanced Workload for On-call schedules and rotations.

Steps to Reproduce

1. Create automation rule with Assign issue action, and select assigment of On-call responder
2. There is no option to assign with Balanced Workload option.

Expected Results

There should be an option to assign On-call responder with Balanced workload.

Actual Results

The below exception is thrown in the xxxxxxx.log file:

...

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available