Prevent duplicated related items when updating ResourceDefinition#833

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dennisvang wants to merge 11 commits intodevelopfrom

fix/issue830-duplicated-children

Commits on Jan 23, 2026

check all related item counts in ResourceDefinitionServiceTest
dennisvang
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remove unused imports from Detail_PUT
dennisvang
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fix deleteChild so the child is actually deleted
dennisvang
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Iterate over a copy of the list of ResourceDefinitionChild items (actually link entities), because we need to remove an item from the original list.
dennisvang
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parameterize ResourceDefinitionServiceTest for duplicated items
dennisvang
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clear both sides of ResourceDefinitionLink association to prevent duplicates
dennisvang
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verify existence of MetadataSchemaUsage in default resources used in test
dennisvang
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