FTS Scoring is inconsistent among identical search term results

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Sample CURL query:

curl --location --request POST 'http://13.41.100.111:8094/api/index/entity_name_only/query?limit=100&offset=0' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic xxx=' \
--data-raw '{
    "query": {
        "conjuncts": [
            {
                "match": "yama automotive",
                "field": "name"
            }
        ]
    },
    "fields": [
        "*"
    ],
    "sort": [
        "-_score"
    ],
    "size": 100,
    "explain": true
}'