allow `find()` to work when `dump` is undefined
allow `find()` to work when `dump` is undefined

Tokens from older versions might not have a `dump` key
so we want to support that until all tokens can be replaced

synapsestudios/oidc-platform,synapsestudios/oidc-platform,synapsestudios/oidc-platform,synapsestudios/oidc-platform