* Fixes#20638: Document bulk create support in OpenAPI schema
POST operations on NetBoxModelViewSet endpoints accept both single
objects and arrays, but the schema only documented single objects.
This prevented API client generators from producing correct code.
Add explicit bulk_create_enabled flag to NetBoxModelViewSet and
update schema generation to emit oneOf for these endpoints.
* Address PR feedback
- Removed brittle serializer marking mechanism in favor of direct checks
on behavior.
- Attempted to introduce a bulk_create action and then route to it on
POST in NetBoxRouter, but ran in to several obstacles including
breaking HTTP status code reporting in the schema. Opted to simply
* Remove unused bulk_create_enabled attr
Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>
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Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>
* Establish GFKSerializerField and replace get_* methods in circuits.py
* Set read_only=True
* Apply GFKSerializerField to all matching SerializerMethodFields
* Use GFKSerializerField for ObjectChangeSerializer.changed_object and EventRuleSerializer.action_object
