Nested queries fails to work in conjunction with plan AND if inside a parenthesis

Nested queries fails to work in conjunction with plan AND if inside a parenthesis. For example, query as below was transformed incorrectly:

"(nested(data.VerticalMeasurements, (VerticalMeasurement:>300 AND VerticalMeasurementUnitOfMeasureID:\"namespace:reference-data--UnitOfMeasure:M:\")) 
AND kind:osdu\\:wks\\:master-data--Wellbore\\:1.0.0)"

The expected transformed elastic search query should:

{
    "bool": {
        "must": [{
                "bool": {
                    "must": [{
                            "nested": {
                                "query": {
                                    "query_string": {
                                        "query": "(data.NestedTest.NumberTest:(12345.0 OR 0) AND data.NestedTest.StringTest:\"test string\")",
                                        "fields": [],
                                        "type": "best_fields",
                                        "default_operator": "or",
                                        "max_determinized_states": 10000,
                                        "allow_leading_wildcard": false,
                                        "enable_position_increments": true,
                                        "fuzziness": "AUTO",
                                        "fuzzy_prefix_length": 0,
                                        "fuzzy_max_expansions": 50,
                                        "phrase_slop": 0,
                                        "escape": false,
                                        "auto_generate_synonyms_phrase_query": true,
                                        "fuzzy_transpositions": true,
                                        "boost": 1.0
                                    }
                                },
                                "path": "data.NestedTest",
                                "ignore_unmapped": false,
                                "score_mode": "avg",
                                "boost": 1.0
                            }
                        }, {
                            "query_string": {
                                "query": "data.First:\"Example*\"",
                                "fields": [],
                                "type": "best_fields",
                                "default_operator": "or",
                                "max_determinized_states": 10000,
                                "allow_leading_wildcard": false,
                                "enable_position_increments": true,
                                "fuzziness": "AUTO",
                                "fuzzy_prefix_length": 0,
                                "fuzzy_max_expansions": 50,
                                "phrase_slop": 0,
                                "escape": false,
                                "auto_generate_synonyms_phrase_query": true,
                                "fuzzy_transpositions": true,
                                "boost": 1.0
                            }
                        }
                    ],
                    "adjust_pure_negative": true,
                    "boost": 1.0
                }
            }
        ],
        "adjust_pure_negative": true,
        "boost": 1.0
    }
}

But it was transformed to:

{
    "bool": {
        "must": [{
                "nested": {
                    "query": {
                        "query_string": {
                            "query": "(data.VerticalMeasurements.VerticalMeasurement:>300 AND data.VerticalMeasurements.VerticalMeasurementUnitOfMeasureID:\\\"namespace:reference-data--UnitOfMeasure:M:\\\") AND data.VerticalMeasurements.kind:osdu\\\\:wks\\\\:master-data--Wellbore\\\\:1.0.0",
                            "fields": [],
                            "type": "best_fields",
                            "default_operator": "or",
                            "max_determinized_states": 10000,
                            "allow_leading_wildcard": false,
                            "enable_position_increments": true,
                            "fuzziness": "AUTO",
                            "fuzzy_prefix_length": 0,
                            "fuzzy_max_expansions": 50,
                            "phrase_slop": 0,
                            "escape": false,
                            "auto_generate_synonyms_phrase_query": true,
                            "fuzzy_transpositions": true,
                            "boost": 1.0
                        }
                    },
                    "path": "data.VerticalMeasurements",
                    "ignore_unmapped": false,
                    "score_mode": "avg",
                    "boost": 1.0
                }
            }
        ],
        "adjust_pure_negative": true,
        "boost": 1.0
    }
}