Normalize the expected config entry for the journal_client
Make it expect a 'cls' item (but set it to "kafka" if not given for bw compat.)
Migrated from D4333 (view on Phabricator)
Staging instance, all changes can be removed at any time
Make it expect a 'cls' item (but set it to "kafka" if not given for bw compat.)
Migrated from D4333 (view on Phabricator)