fix type boolean restriction on include vector for _QueryReference

[paul7Junior]

This pull request is a proposed solution for the issue opened #1400

This change the type validation on include_vector parameter for _QueryReference that prevents from requesting named vectors using array of string on references as it would force you to pull all vectors with True, which is not convenient if you have a lots of vectors.

But using True seems like would not work either and is related to another issue I opened here: weaviate/weaviate#6279

This is my first pull request on here, happy to get feedbacks and add more tests.

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[paul7Junior]

I agree with the Contributor License Agreement.

[paul7Junior]

hey Tommy,

i fixed the error related to lower versions not supporting namedVectors.

but not quite sure whats triggering this one: https://github.com/weaviate/weaviate-python-client/actions/runs/11780176232/job/32810722328?pr=1399

[tsmith023]

Hi @paul7Junior, that fail looks like a known flake, which sadly there are a few in the CI! I'll rerun the tests again until they are all green and then I'll give it a review. Thanks so much for this contribution ❤️

[tsmith023]

Thanks for the added test! Only one comment about it, feel free to say no and we can merge it as it is 😛

[dirkkul]

Thank you!