https://www.drupal.org/project/honeypot/issues/2342473
Initial implementation of honeypot protection of custom form ids:
additional_form_ids with install, schema, field in form settings and basic duplicates validation.HoneypotService::getProtectedForms to add the additional form ids to the list of protected forms.phpunit Functional test case: HoneypotAdditionalFormIdsTest to test additional core form ids.