Fixed HEAD endpoints emitting request DTO as requestBody instead of query parameters (#1128)

* Fixed HEAD endpoints emitting request DTO as requestBody instead of query parameters

* keep `HEAD` query-only

`EnableGetRequestsWithBody` is documented as a `GET` only override. so `HEAD` endpoints must continue to emit DTO properties as query parameters and suppress request bodies regardless of that option.

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Co-authored-by: Sjors Goering <s.goering@4dotnet.nl>
Co-authored-by: Dĵ ΝιΓΞΗΛψΚ <djnitehawk83@gmail.com>