[JIRAALIGN-1499] Feature/Capability: List of PI is not limited to parents list on initial creation

Issue Summary

Feature/Capability: List of PI is not limited to parents list on initial creation

Steps to Reproduce

1. Login.
2. Go to the Features grid.
3. Click Add.
4. On Add feature panel select some Program with multiple PIs.
5. In the Epic Dropdown select Some Epic that is assigned to one PI.
6. Expand PIs dropdown

Expected Results

PIs list is limited to ones that Parent Epic is assigned to

Actual Results

PIs list displays all PIs from the selected Program

Workaround

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