Don't fail when second conference is added
Right now the site will fail hard if a second conference is added. This
relaxes the "there must be exactly one conference" restriction by
loading the record through first
instead of one
.
The CLI is being updated to prevent users from adding a second conference, but the admin will still allow it, so this change will allow anyone who added a second conference to still access their site and admin.
Edited by Andy Dirnberger