fix(policy-store): [#trace-foss-970] return rightOperand without odrl…

[dsmf]

Description

• https://github.com/eclipse-tractusx/traceability-foss/issues/970

Pre-review checks

Please ensure to do as many of the following checks as possible, before asking for committer review:

• [x] DEPENDENCIES are up-to-date. Dash license tool. Committers can open IP issues for restricted libs.
• [x] Copyright and license header are present on all affected files