[JIRAALIGN-1591] Stories: Release that is inherited from the Sprint is not set in the back-end

Issue Summary

Stories: Release that is inherited from the Sprint is not set in the back-end

Steps to Reproduce

1. Login
2. Open any Story that has no PI set and has no Parent
3. Assign it to Sprint and Save.
4. Enable Release column on the grid.
5. Check if Release is populated.
6. Export Stories.
7. Check if Release is populated in the exported file.

Expected Results

The release is set in Story edit panel and in all places where it should be populated.

Actual Results

The release is visible only on the edit panel.

Workaround

Click Save one more time on the Story edit panel.