التحديث قبل رد السيرفر

const mutation = useMutation({  mutationFn: updateStudent,  onMutate: async (newStudent) => {    await queryClient.cancelQueries({ queryKey: ["student", newStudent.id] });    const previous = queryClient.getQueryData(["student", newStudent.id]);    queryClient.setQueryData(["student", newStudent.id], newStudent);    return { previous };  },  onError: (err, newStudent, context) => {    queryClient.setQueryData(["student", newStudent.id], context.previous);  },  onSettled: (newStudent) => {    queryClient.invalidateQueries({ queryKey: ["student", newStudent.id] });  },});