This update moves several enterprise apps to a newer internal environment used by Odoo's messaging framework. It should not change day-to-day workflows, but it helps keep approvals, appraisals, signing, and VoIP features easier to maintain and evolve.

*: approvals, hr_appraisal, sign, voip

Task-2582313

community PR: https://github.com/odoo/odoo/pull/72816

Subscription pricing data has been moved from a shared sales timing area into the subscription area where it is actually used. This makes the system easier to maintain and may slightly improve performance without changing what users see.

The pricing_id field is defined and stored in sale_temporal
but only used in sale_subscription.

This commits moves its logic to sale_subscription to
improve code clarity, maintenance, performance, ...