[IMP] *: unify sprintf and gettext

Improve gettext to directly handle value injection within translations,
removing the need for sprintf.

closes odoo/odoo#123932

Related: odoo/enterprise#45370
Signed-off-by: Samuel Degueldre (sad) <sad@odoo.com>

addons/website_livechat/static/src/core/persona_model_patch.js

@@ -3,7 +3,6 @@
 import { Persona } from "@mail/core/common/persona_model";
 import { _t } from "@web/core/l10n/translation";
 import { patch } from "@web/core/utils/patch";
-import { sprintf } from "@web/core/utils/strings";
 
 patch(Persona.prototype, {
     get countryFlagUrl() {
@@ -14,7 +13,7 @@ patch(Persona.prototype, {
     },
     get nameOrDisplayName() {
         if (this.type === "visitor" && !this.name) {
-            return sprintf(_t("Visitor #%s"), this.id);
+            return _t("Visitor #%s", this.id);
         }
         return super.nameOrDisplayName;
     },