allow DSRs with multiple identities

[Kelsey-Ethyca]

Overview

If multiple identities are passed into a privacy request (email and phone_number) the SaaS connectors will raise the following exception

fides.api.ops.common_exceptions.FidesopsException: Only one identity can be specified for SaaS connector traversal

The expected behavior is that multiple identities should be supported by executing one read request per identity then consolidating the responses into a single Row (in this case the object representing a user/custom/account). If the individual identity requests cannot be consolidated (mismatched fields) then the request should error since the provided data most likely corresponds to two different subjects.

[Kelsey-Ethyca]

we do not verify the phone number so someone can put in their email put another's phone number, verify their email, and have get/delete another's account data

This is not possible today

We will need a ticket to address this

[rsilvery]

@Kelsey-Ethyca , @galvana if this is still required and there's a customer behind it, can you DM me the customer so we can track?