I believe all fatal errors should be considered client reset errors. Currently, we have a fairly peculiar behavior when a user gets a bad changeset, which leaves their Realm in an unsyncable state, but they can't utilize the recovery mechanisms in the client reset handler to restore app functionality. While there's some value in differentiating developer errors from our own errors, we should not be sacrificing end user experience.

https://github.com/realm/realm-core/blob/377a85d2a385a31ec91be7e5fe8c09d22365df97/src/realm/sync/config.cpp#L138-L152