Draft: slapconfiguration: Fix unevaluatedProperties
In the presence of unevaluatedProperties (regardless of the value), defaults of sub-schemas that are not part of a valid validation path were still being collected. This was because unevaluatedProperties triggers separate validations against subschemas, and particularly component schemas of any oneOf, anyOf or allOf in any sub-schema of the schema where unevaluatedProperties is set.