Function `get_stats_for_widget` is not properly implemented

[nb-pdragoi]

Describe the bug Accord to the docs from here, the function to get widget statistics should be pretty to call. However, it does not require any widget id, name, json or anything, which the api endpoint requires. After looking into the function implementation here, we can see that nothing is parsed into the body_params of the get_stats_for_widget_with_http_info function.

To Reproduce Steps to reproduce the behavior:

1. Run the code from the example,
2. See error

   Exception when calling DefaultApi->get_stats_for_widget: (400)
   Reason: Bad Request
   HTTP response body: {"id":"bad_request","status":400,"title":"Bad request","detail":"Request body is not well-formed. It must be JSON.","error":"EOF","encrypted":false,"multires":null}

Expected behavior Get the results from the widget.

Environment

• Python Version: 3.7-3.9
• OS: Linux
• Demisto Version: 6.5

Additional context Same issue is with the get_stats_for_dashboard function: no way to set the dashboard we want to make the request to.

[pdragoi]

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