Store snapshot_ids as hexadecimal strings, not bytes
elasticsearch does not know how to store bytes that aren't valid utf-8 strings, so store a hexadecimal representation instead
Test Plan
tests adjusted
Migrated from D6012 (view on Phabricator)
Staging instance, all changes can be removed at any time
elasticsearch does not know how to store bytes that aren't valid utf-8 strings, so store a hexadecimal representation instead
tests adjusted
Migrated from D6012 (view on Phabricator)