## 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"

scope = scope or PLUGIN_SCOPE_SERVICES
    if PLUGINS_LOADED.get(scope):
        return PLUGINS_LOADED[scope]
    t1 = now_utc()
    setup_logging()
    loaded_files = []
    result = []
    
    
    search_modules = PLUGIN_MODULES
    for module in search_modules:
        file_path = None
        if isinstance(module, six.string_types):
            loader = pkgutil.get_loader(module)
            if loader:
                path = getattr(loader, 'path', '') or getattr(loader, 'filename', '')
                if '__init__.py' in path:
                    path = os.path.dirname(path)
                file_path = os.path.join(path, 'plugins.py')
        elif six.PY3 and not isinstance(module, tuple):
            file_path = os.path.join(module.module_finder.path, module.name, 'plugins.py')
        elif six.PY3 or isinstance(module[0], pkgutil.ImpImporter):
            if hasattr(module[0], 'path'):
                file_path = os.path.join(module[0].path, module[1], 'plugins.py')
        if file_path and file_path not in loaded_files:
            plugin_config = load_plugin_from_path(file_path, scope=scope)
            if plugin_config: