* fix: ExampleGenerator correctly generates allOf composed schemas
Changes the previous behavior of generating `null` examples for allOf composed schemas.
Fixes#17497
* fix: ExampleGenerator correctly generates anyOf and oneOf composed schemas
Changes the previous behavior of generating `null` examples for anyOf and oneOf composed schemas.
To generate a oneOf/anyOf example, we generate the example using the first valid schema available. In case of a $ref, we use the first valid reference.
Fixes#17497
* fix #16797 and #15796 spring child constructor missing parent params
* root cause and update the DefaultCodegen.java to add missing property when with multi inheritance
* rollback SpringCodegen.java
* update samples
* rollback with master cause #16992 fixed this issue too
* still using orignal design
* catchup master
* catchup master
* catchup master
* fix
* add tests
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Co-authored-by: dabdirb <dabdirb@gmail.com>
* add nullable case to spring test spec
* generate samples for changed spring input
* add nullable case to general test spec
* generate samples for changed general input
* generate samples again
* generates samples again
* re-build from new sources, generates samples again
