Hot Rod client should use server key media-type to route request

Currently, if there is a mismatch between the Hot Rod client and the server key type, the client might route the request to the wrong server.

The client serializes the request using the configured marshaller and uses the serialized bytes to retrieve the segment and owner. On the server, it decodes the bytes and transforms them to the proper media type of the key before hashing. This leads to the client and server identifying different owners for the keys.