You are absolutely correct, and I’m going to change the body of the party to reflect that.
I knew I had read about Carrie Fisher doing apostomus performance and mistook her de-aging in Rogue One as that performance. Turns out it was Rise of the Skywalker that included previously shot footage which was her posthumous performance. ign.com/…/how-was-carrie-fisher-in-star-wars-rise…