builder quick answer buttons

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            "width": 80,
            "height": 45,
            "id": "start_node_default",
            "type": "Start",
            "position": {
                "x": 10,
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            "data": {},
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        },
        {
            "width": 250,
            "height": 211,
            "id": "chain_node_default",
            "type": "Message",
            "selected": false,
            "position": {
                "x": 200,
                "y": 100
            },
            "data": {
                "nodes": [
                    {
                        "id": "sub_node_default",
                        "type": "Text",
                        "content": {
                            "text": "123",
                            "type": ""
                        },
                        "buttons": [],
                        "state": {}
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                    {
                        "id": "sub_node_39c2383e-7efb-4be8-b2ab-137e94f8d451",
                        "type": "Answer",
                        "content": {
                            "answer": [
                                "1",
                                "2",
                                "3"
                            ],
                            "validate": "String",
                            "variable": "123231",
                            "errorMessage": "Будь ласка, введіть хоча б один текстовий символ",
                            "message": ""
                        },
                        "buttons": [],
                        "state": {}
                    }
                ]
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    "errors": {}
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