The Prophet ﷺ said, "When the dinner of one of you is served and the prayer is called, he should not get up until he has finished."
حدثنا يحيى عن عبيد الله قال حدثني نافع
عن النبي ﷺ إذا وضع عشاء أحدكم وأقيمت الصلاة فلا يقوم حتى يفرغ
Its isnad is sahih. Abu Dawud 3:403 narrated it from Ahmad bin Hanbal with this isnad. Munziri said, Bukhari, Muslim, and Tirmidhi also narrated it.