Diona Nymph butchering does not yield diona meat

[chaoticidealism]

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Desired behavior: Butchering a diona nymph should yield diona meat, which can then be made into diona-nymph-based dishes.

Actual behavior: Butchering a diona nymph via the gibber yields normal meat, with animal protein and triglyceride in it. Butchering via the monkey spike yields xeno-meat, with polytrinic acid. Neither of these work in the recipes that are supposed to be made from diona meat.