[FIX] mail: correct push notification content

Before this commit, push notificiation content
was not displayed correct.

When receiving message `&lt;`, it shows `<`.

This commit fixes the issue by not unescaping the content.

closes odoo/odoo#125314

X-original-commit: 4f8ba016e63cb9817d61705ce262d392f7704ef5
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/core/common/out_of_focus_service.js

@@ -5,7 +5,7 @@ import { htmlToTextContentInline } from "@mail/utils/common/format";
 import { browser } from "@web/core/browser/browser";
 import { _t } from "@web/core/l10n/translation";
 import { registry } from "@web/core/registry";
-import { sprintf, unescapeHTML } from "@web/core/utils/strings";
+import { sprintf } from "@web/core/utils/strings";
 import { url } from "@web/core/utils/urls";
 
 const PREVIEW_MSG_MAX_SIZE = 350; // optimal for native English speakers
@@ -112,15 +112,10 @@ export class OutOfFocusService {
      * @param {string} message
      */
     sendNativeNotification(title, message) {
-        const notification = new Notification(
-            // The native Notification API works with plain text and not HTML
-            // unescaping is safe because done only at the **last** step
-            unescapeHTML(title),
-            {
-                body: unescapeHTML(message),
-                icon: "/mail/static/src/img/odoobot_transparent.png",
-            }
-        );
+        const notification = new Notification(title, {
+            body: message,
+            icon: "/mail/static/src/img/odoobot_transparent.png",
+        });
         notification.addEventListener("click", ({ target: notification }) => {
             window.focus();
             notification.close();