Server Emotes in DMs

If two users share a server, it should be possible to share emotes from that server.  For instance, if John is from "Abacus Games" and "Let's Play Mario", and Jeff is from "Abacus Games" and "Official Halo", it should be possible for them to have a private conversation using emotes from the "Abacus Games" server without having to create their own private channel in the server to use the emotes.