[release/9.0] Don't remove non-existent foreign keys. #34614
Merged
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Fixes #34329
Description
When a navigation to an owned entity type is ignored the entity type is removed and this cascades through the referencing owned entity types. And if one of them had a back navigation to the top owned entity type then we'll try to remove it again causing an exception.
Customer impact
An exception is thrown when ignoring a navigation to an owned entity type for the affected models. There's a workaround, but this issue is hard to diagnose for the users.
How found
Reported by a user on 8.0.7
Regression
No
Testing
Tests added.
Risk
Low.