This change updates several enterprise messaging-related apps to use a more generic internal data preparation approach. It helps keep approvals, VoIP, and WhatsApp integrations aligned with the main Odoo platform, reducing future maintenance work without changing day-to-day user workflows.

Enterprise counter-part.

Part of task-3605717

https://github.com/odoo/odoo/pull/183014

Documents and Studio were updated to stay compatible with recent Kanban view changes in the core platform. This is an internal cleanup that helps keep document and view editing screens working consistently without changing business workflows.

Adaptation of the code of documents/web_studio to the changes brought by https://github.com/odoo/odoo/pull/189109