/collections/{collection_id}/bulk_items doesn't seem to be performing the same validations as /collections/{collection_id}/items

[pedro-cf]

Describe the bug
/collections/{collection_id}/bulk_items doesn't seem to be performing the same validations as /collections/{collection_id}/items

To Reproduce
Create an item without a datetime.

Expected behavior
Creating an item without a datetime property using the /collections/{collection_id}/items endpoint it is impossible but with the /collections/{collection_id}/bulk_items it is possible.