Prosody auth, first working code:

* generated password on an api call
* use this password to authenticate on prosody
* using helper getAuthUser when available, else fallback to custom code

server/lib/routers/settings.ts

@@ -24,7 +24,7 @@ async function initSettingsRouter (options: RegisterServerOptions): Promise<Rout
         res.sendStatus(403)
         return
       }
-      if (!isUserAdmin(res)) {
+      if (!isUserAdmin(options, res)) {
         res.sendStatus(403)
         return
       }