[16.0] [purchase_order_type] purchase_order is not overriding the create method in batch

[auroraeosrose]

Module

purchase_order_type

Describe the bug

Every time a worker starts the following is shown in the logs

2023-07-18 12:28:58,804 215083 WARNING xxxxxxx odoo.api.create: The model odoo.addons.purchase_order_type.models.purchase_order is not overriding the create method in batch

To Reproduce

Affected versions:

Steps to reproduce the behavior:

1. install purchase_order_type
2. start odoo
3. view logs

Expected behavior
@api.model is apparently now angry and wants to be always @api.model_create_multi

Additional context
Relevant Odoo core commit with the change introduction odoo/odoo#80824
Core code throwing the warning https://github.com/odoo/odoo/blob/40596ed1eccdf0f37b4fa3a8a337e7a7cc3461ce/odoo/api.py#L393

[HviorForgeFlow]

AFAIK here https://github.com/OCA/purchase-workflow/blob/16.0/purchase_order_type/models/purchase_order.py#L41-L50 model_create_multi is taken into account @auroraeosrose