fix ws with https

app/utils/host.js

@@ -31,7 +31,8 @@ function ws_base_url() {
   /*
   websockets base url
   */
-  let base = `ws://${window.location.host}`;
+  let wsType = window.location.protocol == "https:" ? "wss" : "ws";
+  let base = `${wsType}://${window.location.host}`;
 
   if (ENV.APP.WS_HOST) {
     // user can override BACKEND HOST by providing