F update parents mitigation

Summary

This MR is a mitigation for #14 (moved) and updates changed parents before any other insertion / update transaction.

Focus

Note, that the (empty) dump was replaced by one with the new test_key.

Test Environment

See the failing tests in f-test-parent. Please remove the branch once you checked it out (It was merged in this one).

Check List for the Author

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• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• 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)
• 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.