Apple Mail OAuth client_id for GSuite IMAP restriction
I found the answer on a Google page at https://support.google.com/a/answer/105694?hl=en#zippy=%2Coauth-ids-for-common-email-clients
MacOS Apple Mail: 946018238758-bi6ni53dfoddlgn97pk3b8i7nphige40.apps.googleusercontent.com
iOS Apple Mail: 450232826690-0rm6bs9d2fps9tifvk2oodh3tasd7vl7.apps.googleusercontent.com