Program Increment: When Program Increment (PI) is in the Done status Features are missing associated PI

Issue Summary

When setting a Program Increment to done. Then navigating to the feature grid and searching for Features tied to the completed PI. When you open the Feature slideout, the PI is missing users are seeing the "Unassigned backlog" in the PI field. 

Steps to Reproduce

1. Step 1 - Ensure you have Features (Jira Epics) associated with an Active PI
2. Step 2 - Set active PI to close
3. Step 3 - Navigate to the Feature Grid and search for Features tied to the completed PI
4. Step 4 - Click the feature and review the PI field on the slide out the view

Expected Results

PI should be consistent between the Grid column shown & the work item slide-out (in this case Feature slide-out)

Actual Results

Missing PI

Workaround

No known workaround at this time.