## Detailed description
The pro version of the dashboard always shows that there is no resources found... After looking in the requests I see that it does a POST request to 0.0.0.0:4566/graph but without parameters ..

# Normal Darshboard
![image](https://user-images.githubusercontent.com/10731763/86540395-fa4d4900-bed2-11ea-8ea9-855181574318.png)

# Pro Dashboard
![image](https://user-images.githubusercontent.com/10731763/86540408-210b7f80-bed3-11ea-89f1-73c50101edd3.png)

# Steps to reproduce

## Command used to start LocalStack

docker run -it -e LOCALSTACK_HOSTNAME="localhost" -e DEFAULT_REGION="us-east-1" -e TEST_AWS_ACCOUNT_ID="000000000000" -p 4566:4566 --rm --privileged --name localstack_main -p 4567-4620:4567-4620 -p 12121:12121 -p 8080-8081:8080-8081  -v "/tmp/localstack:/tmp/localstack" -v "/var/run/docker.sock:/var/run/docker.sock" -e DOCKER_HOST="unix:///var/run/docker.sock" -e HOST_TMP_FOLDER="/tmp/localstack" "localstack/localstack" -e SERVICES="edge,dynamodb,cognito"

if key_file_name:
            kwargs['keyfile'] = key_file_name
            config.keyfile = key_file_name
        setup_quart_logging()
        config.bind = ['0.0.0.0:%s' % port]
        loop = loop or ensure_event_loop()
        run_kwargs = {}
        if shutdown_event:
            run_kwargs['shutdown_trigger'] = shutdown_event.wait
        try:
            try:
                return loop.run_until_complete(serve(app, config, **run_kwargs))
            except Exception as e:
                LOG.info('Error running server event loop on port %s: %s %s' % (port, e, traceback.format_exc()))
                if 'SSL' in str(e):
                    c_exists = os.path.exists(cert_file_name)
                    k_exists = os.path.exists(key_file_name)
                    c_size = len(load_file(cert_file_name)) if c_exists else 0
                    k_size = len(load_file(key_file_name)) if k_exists else 0
                    LOG.warning('Unable to create SSL context. Cert files exist: %s %s (%sB), %s %s (%sB)' %
                                (cert_file_name, c_exists, c_size, key_file_name, k_exists, k_size))
                raise
        finally:
            try:
                _cancel_all_tasks(loop)
                loop.run_until_complete(loop.shutdown_asyncgens())
            finally:
                asyncio.set_event_loop(None)
                loop.close()
    class ProxyThread(FuncThread):