[backport] gateway2: allow child policies to always set fields unset on the parent #10550
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When merging parent-child policies, the merging should allow child policies to augment parent policies such that fields unset on the parent can be set by the child. There is a bug when using policy override capability with route delegation that disallows this when the annotation specifies non-wildcard fields, such that even if a field is unset by the parent only the fields specified in the override annotation are merged in - which is incorrect because the annotation only applies to fields that are being overriden (set by the parent). This change fixes the bug. Testing done: Adds tests that otherwise fail without the code change to the plugin. - Unit test - Translator test
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stevenctl
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Backports c5bc099 from main
When merging parent-child policies, the merging should allow child policies to augment parent policies such that fields unset on the parent can be set by the child. There is a bug when using policy override capability with route delegation that disallows this when the annotation specifies non-wildcard fields, such that even if a field is unset by the parent only the fields specified in the override annotation are merged in - which is incorrect because the annotation only applies to fields that are being overriden (set by the parent). This change fixes the bug.
Testing done:
Adds tests that otherwise fail without the code change to the plugin.