[IMP] mail: replaces window.location by services.navigate

part of task-2171884

closes odoo/odoo#59947

Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/components/attachment/attachment.js

@@ -105,7 +105,7 @@ class Attachment extends Component {
      */
     _onClickDownload(ev) {
         ev.stopPropagation();
-        window.location = `/web/content/ir.attachment/${this.attachment.id}/datas?download=true`;
+        this.env.services.navigate(`/web/content/ir.attachment/${this.attachment.id}/datas`, { download: true });
     }
 
     /**