This update standardizes the internal name of a messaging component used by several Enterprise apps. It helps keep the Enterprise codebase aligned with the main Odoo platform and should not change day-to-day user workflows.

\* = account_accountant, ai, ai_website_livechat, documents, hr_recruitment_extract, iap_extract, spreadsheet_edition, whatsapp

Enterprise counter-part.

https://github.com/odoo/odoo/pull/229944