Add backend notifications to the language localisation/translation json file so that text is converted for notifications that are provided directly from an Integration. here.
Note: notifications that are created from scripts, automations etc can already be in the users language, this feature request is only for notifications that are within Integration code so they can be translated (localised) to the Frontend.
Add “notifications” to the Category in the json files so they are translated and add a “translation_key” parameter to async_create to use instead of “message” in the persistent_notification Component