fix: allow prefix in serve (#1482)

* fix: allow prefix in serve

* chore: redo regex and clean

* chore: fix test

* fix: use correct prefix characters and URLs

* fix: use correct prefix characters and URLs

* chore: remove core

* chore: fix header url

commands/serve/lib/webpack.serve.js

@@ -210,7 +210,7 @@ module.exports = async ({
           // but until then, we need to take care of it here!
           authInstance.rest.interceptors.request.use((_req) => {
             // eslint-disable-next-line no-param-reassign, dot-notation
-            _req[1]['headers'] = { origin: 'http://localhost:8000' };
+            _req[1]['headers'] = { origin: url };
             return _req;
           });
           await authInstance.authorize(authLink);