Fixing UI issues after UI server refactor (#5710)

* Self-sufficient secureApi.

* Updating embed.

* Linting issues.

js/src/api/transport/http/http.js

@@ -96,4 +96,8 @@ export default class Http extends JsonRpcBase {
       .then(nextTimeout)
       .catch(nextTimeout);
   }
+
+  set url (url) {
+    this._url = url;
+  }
 }

js/src/api/transport/ws/ws.js

@@ -249,6 +249,10 @@ export default class Ws extends JsonRpcBase {
     });
   }
 
+  set url (url) {
+    this._url = url;
+  }
+
   get token () {
     return this._token;
   }