question #3 Sahih al-Bukhari 5422, Book 70, Hadith 50 : What can be inferred about the permissibility of eating certain foods before prayer from this narration?

I saw Allah’s Messenger (ﷺ) cutting part of the shoulder of mutton with a knife. He ate of it and then was
called for prayer whereupon he got up and put down the knife and offered the prayer without
performing new ablution.