calculateTransactionTaxEstimate: why this method always returns 0 for LineNumber

Summary:

Method calculateTransactionTaxEstimate always returns 0 for LineNumber instead of input line number

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Request body:

<soapenv:Envelope xmlns:tran="http://xmlns.oracle.com/apps/financials/tax/transaction/transactionPublicService/" xmlns:typ="http://xmlns.oracle.com/apps/financials/tax/transaction/transactionPublicService/types/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">    <soapenv:Header/>    <soapenv:Body>        <typ:calculateTransactionTaxEstimate>            <typ:transactionRow>                <tran:EventClassName>Purchase Transaction</tran:EventClassName>                <tran:LedgerName>France Primary Ledger</tran:LedgerName>                <tran:LegalEntityDescription>France Legal Entity</tran:LegalEntityDescription>                <tran:BusinessUnitName>France Business Unit</tran:BusinessUnitName>                <tran:TrxNumber>JME2310111610</tran:TrxNumber>                <tran:TrxDate>2023-10-11</tran:TrxDate>                <tran:HdrGlDate>2023-10-11</tran:HdrGlDate>                <tran:FirstPartyTaxRegNumber>LE_FR_1</tran:FirstPartyTaxRegNumber>                <tran:TrxDescription>Dell Inc. - INV</tran:TrxDescription>