This update modernizes internal tests for web module dependencies by moving them to the newer testing framework. It helps maintain product quality and makes future web changes easier to validate, with no direct change expected for end users.

task 3705027

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




---
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

The web module's XML utility tests were moved to a newer testing approach. This keeps internal quality checks current and easier to maintain without changing how users interact with Odoo.

task 3705027

Saved chat replies are no longer loaded upfront when messaging starts. They are fetched only when needed, which helps keep the messaging experience lighter while preserving the same functionality for users.

Fetch them dynamically when they are needed instead.

Part of task-3605717

https://github.com/odoo/enterprise/pull/55429