Multiple registered identifiables error when multiple parents exist

Summary

Before, an error was raised, if a RecordType had multiple parents.

Test Environment

pipelines

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• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Up-to-date JSON schema (or not necessary)
• Appropriate user and developer documentation (or not necessary)
  • How do I use the software? Assume "stupid" users.
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• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• Appropriate user and developer documentation (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

assigned to @henrik

mentioned in merge request caosdb/src/crawler-cfoods/bids-cfood!3 (merged)

added 1 commit

• 58b17c0c - TST: add test for multiple parents

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marked the checklist item All automated tests pass as completed

marked the checklist item Reference related issues as completed

added 1 commit

• 63a01e6b - DOC: update cl

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marked the checklist item Up-to-date CHANGELOG.md (or not necessary) as completed

marked the checklist item Appropriate user and developer documentation (or not necessary) as completed

marked the checklist item Annotations in code (Gitlab comments) as completed

requested review from @florian

marked the checklist item I understand the intent of this MR as completed

marked the checklist item All automated tests pass as completed

marked the checklist item Up-to-date CHANGELOG.md (or not necessary) as completed

marked the checklist item Appropriate user and developer documentation (or not necessary) as completed

marked the checklist item The test environment setup works and the intended behavior is reproducible in the test as completed

resolved all threads

added 1 commit

• 3a5b3cf7 - TEST(identifiable): Remove unused test case

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marked the checklist item In-code documentation and comments are up-to-date. as completed

marked the checklist item Check: Are there specifications? Are they satisfied? as completed

enabled an automatic merge when all merge checks for 3a5b3cf7 pass

mentioned in commit 82db1187

merged