This change adds an internal test intended to help reproduce and monitor a reported database performance issue. It does not change business features or user workflows, but helps developers investigate reliability and performance behavior.

Ignore this PR please

It is just to try if runbot reproduce the following PG issue:
 - https://github.com/odoo/odoo/issues/46407

Users can now send several invoice documents for digitization in a single batch instead of processing them one by one. This option is available only when the OCR feature is enabled, helping teams save time while keeping the workflow tied to the existing document recognition setup.

after this task 
=> after this task user can send multiple documents at the same time  for digitalization 
=> the following functionality enabled if and only if OCR feature is enabled

TASK - 2168313