Allow using RestResponse<T> as return type for rest client

[snowdrop-bot]

Description

The rest client (reactive) allows to use Response as a return type for rest methods. Unfortunately, Response is not typed at all and thus when you want to access the status code of the response, you cannot specify the type of the response in the rest client interface. This is not so nice, because ideally, you'd like to specify the whole api in that interface.

In contrast, the RestResponse<T> class can already be used in resteasy-reactive for returning a type response. Please also add support for RestResponse<T> return types in the rest client (reactive).

Implementation ideas

No response

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quarkusio#19966

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$upstream:19966$