* Add set_enterprise_attestation in TestEnv
* Add test_helpers for Test Unification
* Used it in structured fuzzer and enterprise attestation unittests
* Restructure test_helpers
* Rename setup_enterprise_attestation to enable_
* Move enterprise mode related customizations to new file
* Fix cargo clippy error
* Add is_enterpris_rp_id API to avoid cloning
* Only expose enterprise_rp_id_list API in std