notification: use viewargs for notif_entity_updated instead of transaction_data Now that notifications use separate sessions, they can't rely on the original transaction_data being around, so pass the data through view arguments instead, so the notification view knows what changed on updated entities. Closes #2936180

Data as objects
===============

In this chapter, we will introduce the objects that are used to handle
the logic associated to the data stored in the database.

.. toctree::
   :maxdepth: 1

   data-as-objects
   load-sort
   adapters
   application-logic