fix(#28429): OCIRuntime field in SpecGenerator is ignored when called through HTTP Rest API

[aadi58002]

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Fixes: #28429

Does this PR introduce a user-facing change?

None

[Luap99]

Thanks for the PR, please squash the commits into one and give it a proper commit message, the Fixes: #28429 part should be at the end of the body not the title.

[Luap99]

@aadi58002 please run the API tests locally, as long as they fail we cannot merge

[Honny1]

LGTM

[Luap99]

LGTM