Fix backwards-compatibility for snapshot_add in the server
Renaming of the argument makes old clients talking to the new server explode
Test Plan
hotfixed in production :|
Migrated from D1407 (view on Phabricator)
Renaming of the argument makes old clients talking to the new server explode
hotfixed in production :|
Migrated from D1407 (view on Phabricator)