Fix kyaml readwriter inconsistencies when wrapping resources

[Goodwine]

Fixes #4234

[k8s-ci-robot]

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Hi @Goodwine. Thanks for your PR.

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[Goodwine]

I signed it

[natasha41575]

Please make sure your github username is set on your git commits!

[Goodwine]

Ok I think I had wrong my email address in the CLA form thingy, maybe it's good now?

[Goodwine]

I signed it

[Goodwine]

I'll file a ticket because the CLA still appears as unmarked even after updating my data to my work email address

[Goodwine]

I signed it welp idk

[Goodwine]

OK I think I got it, I had private email addresses set, and I also didn't have my email configured in my account 😭 hopefully it works this time?

[natasha41575]

/ok-to-test

[Goodwine]

/assign @KnVerey

[KnVerey]

Thanks for the fixes and the detailed description of the problem in the attached issue! I agree with these changes, and the test coverage looks good. Would you mind moving the test cases to kyaml/kio/byteio_readwriter_test.go and adjusting them to not involve the framework (maybe not Results either, up to you), since the coverage is really of kio wrapping behavior?

[Goodwine]

I moved over the tests removing references to framework, I decided to leave a Results-related test because I want to make sure that Results is not dropped when passing through the read-writer (before this PR the results were getting dropped)

[KnVerey]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Goodwine, KnVerey

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