The banUser function in ChatModerationService was sending an incomplete
request body to the /api/chat/users/setenabled endpoint. The API requires
both userId and enabled fields, but only userId was being sent.
This caused the endpoint to return a 400 Bad Request with the error:
"must provide userId and enabled state"
Added the missing enabled: false parameter to properly disable the user
when banning.
Co-authored-by: Matt Pruitt <41898282+guitsaru@users.noreply.github.com>