DMChannel not sent with Message#channel in Eris
Sentry URL: https://sentry.libraryofcode.org/organizations/loc/issues/26/ Epic: https://gitlab.libraryofcode.org/groups/engineering/community-relations/-/epics/1
DMChannel is not being sent under Message#channel
whenever someone sends a DM to CR.
Fix required as some commands that should be available to use in DMs are not available.