Clarify API response status for login code

[christiannwamba]

Preflight checklist

• [X] I could not find a solution in the existing issues, docs, nor discussions.
• [X] I agree to follow this project's Code of Conduct.
• [X] I have read and am following this repository's Contribution Guidelines.
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Ory Network Project

No response

Describe your problem

https://github.com/ory/kratos/issues/4052

Describe your ideal solution

Documented in linked issue

Workarounds or alternatives

Documented in linked issue

Version

Kratos v1.3.1

Additional Context

No response