Error messages shown during sales and stock-related order validation have been rewritten to be clearer and easier to understand. This helps users identify what went wrong and how to resolve it without needing technical support.

Currently, User/validation errors are sometimes not correct in English and/or quite obscure and don't help the user understand/solve the issue.

So in this commit, do some copywriting to make the experience better.

task-2615469

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The VoIP calling component was cleaned up to make future upgrades easier and safer. There is no expected change for users now, but this reduces maintenance risk ahead of a planned calling library update.

This commit prepares the ground for the update of the SIP.js library (see https://github.com/odoo/enterprise/pull/24160)

Accounting reports were adjusted to work correctly with a related platform update in Odoo. This helps keep financial reporting reliable after underlying system changes.

link to https://github.com/odoo/odoo/pull/83687