[native] undo changes that removed one time keys from identity v1 login calls

Summary:
we determined we actually want to send OTKs here because the device connecting to identity should have a fresh device ID, and therefore 0 pre-existing OTKs in DynamoDB.

https://linear.app/comm/issue/ENG-9440/clients-should-include-otks-on-first-login

Test Plan: log in to existing account from fresh simulator device, confirm that OTKs are present on DynamoDB

Reviewers: bartek, will

Reviewed By: bartek

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D13574