Use location.origin as default base URL

web/src/app/utils.js

@@ -1,5 +1,4 @@
 import {rawEmojis} from "./emojis";
-import config from "./config";
 
 export const topicUrl = (baseUrl, topic) => `${baseUrl}/${topic}`;
 export const topicUrlWs = (baseUrl, topic) => `${topicUrl(baseUrl, topic)}/ws`
@@ -116,7 +115,7 @@ export const openUrl = (url) => {
 };
 
 export const subscriptionRoute = (subscription) => {
-    if (subscription.baseUrl !== config.defaultBaseUrl) {
+    if (subscription.baseUrl !== window.location.origin) {
         return `/${shortUrl(subscription.baseUrl)}/${subscription.topic}`;
     }
     return `/${subscription.topic}`;