No no, they’re still carnivores.

Nothing about their biology changed so that they’re no longer classifiable as a carnivore.

Scientifically, they have all the traits of a carnivore, and a predator.

You can’t redefine “cat” because we can use supplements to round out their dietary needs.

What you said is like, oh Dracula isn’t a vampire anymore, because we found a way to give him an artificial blood substitute that completes his dietary needs…

… He’s still a vampire, he’s just getting his fix from something other than a living person.