* Only prevent the unpubkish or delete of a related item when configured to do so if it is related as a child, not as a parent.
* Fixed incorect parameter names.
* Fixed failing integration tests.
* Use using variable instead to reduce nesting
* Applied suggestions from code review.
* Used simple using statement throughout RelationService for consistency.
* Applied XML header comments consistently.
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Co-authored-by: mole <nikolajlauridsen@protonmail.ch>
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