Deleted use of WAError and add defining of language of client everywhere

pusher/src/Controller/IoSocketController.ts

@@ -236,6 +236,8 @@ export class IoSocketController {
                     const websocketExtensions = req.getHeader("sec-websocket-extensions");
                     const IPAddress = req.getHeader("x-forwarded-for");
 
+                    adminApi.setLocale(req.getHeader("accept-language"));
+
                     const roomId = query.roomId;
                     try {
                         if (typeof roomId !== "string") {

pusher/src/Controller/MapController.ts

@@ -107,6 +107,8 @@ export class MapController extends BaseHttpController {
                 return;
             }
 
+            adminApi.setLocale(req.header("accept-language"));
+
             // If no admin URL is set, let's react on '/_/[instance]/[map url]' URLs
             if (!ADMIN_API_URL) {
                 const roomUrl = new URL(query.playUri);