Return entry from `#parentsByChild` in `StateFulPersistenceContext#getParentsByChild`

Description

The work done on caused a performance regression (oddly) which needs to be corrected.

Environment

None

Assignee

Steve Ebersole

Reporter

Steve Ebersole

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

None

Requires Release Note

None

backportDecision

None

Priority

Major
Configure