`NOT` examples all first use `OR` instead of directly showing `NOT`

https://www.prisma.io/docs/reference/api-reference/prisma-client-reference#not-1
<img width="541" alt="image" src="https://github.com/prisma/docs/assets/183673/1fc4979d-c169-4480-bf84-c8995a8644c5">
