## 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"

service_ports.pop('dashboard', None)
    for port in service_ports.values():
        port_mappings.add(port)
    env_str = ''
    for env_var in config.CONFIG_ENV_VARS:
        value = os.environ.get(env_var, None)
        if value is not None:
            env_str += '-e %s="%s" ' % (env_var, value)
    data_dir_mount = ''
    data_dir = os.environ.get('DATA_DIR', None)
    if data_dir is not None:
        container_data_dir = '/tmp/localstack_data'
        data_dir_mount = '-v "%s:%s"' % (data_dir, container_data_dir)
        env_str += '-e DATA_DIR="%s" ' % container_data_dir
    interactive = '' if force_noninteractive or in_ci() else '-it '
    
    user_flags = '%s ' % user_flags if user_flags else user_flags
    entrypoint = '%s ' % entrypoint if entrypoint else entrypoint
    plugin_run_params = '%s ' % plugin_run_params if plugin_run_params else plugin_run_params
    if config.START_WEB:
        for port in [config.PORT_WEB_UI, config.PORT_WEB_UI_SSL]:
            port_mappings.add(port)
    docker_cmd = ('%s run %s%s%s%s%s' +
        '--rm --privileged ' +
        '--name %s ' +
        '%s %s ' +
        '-v "%s:/tmp/localstack" -v "%s:%s" ' +
        '-e DOCKER_HOST="unix://%s" ' +
        '-e HOST_TMP_FOLDER="%s" "%s" %s') % (
            config.DOCKER_CMD, interactive, entrypoint, env_str, user_flags, plugin_run_params,