Balance Symbol not work

[enri90]

The balance function does not allow all currencies associated with an account to be displayed.
Only the first currency in the list is visible

[
    {
        "balance": "50 BANQTA"
    },
    {
        "balance": "50 MSOURCE"
    }
]


 await contract.table("accounts", accountName).get("MSOURCE",
 
 {
    "balance": "50 BANQTA"
}

 async balance(
        accountName: NameType,
        symbolCode?: Asset.SymbolCodeType,
        contractName?: NameType
    ): Promise<Asset> {
        const contract = await this.getContract(contractName)
        const table = contract.table('accounts', accountName)

        let tableQuery

        if (symbolCode) {
            tableQuery = table.get(String(symbolCode), {index_position: 'primary'})
        } else {
            tableQuery = table.get()
        }

        return tableQuery
            .then((accountBalance) => {
                if (!accountBalance) {
                    throw new Error(`Account ${accountName} does not exist.`)
                }

                if (symbolCode && !accountBalance.balance.symbol.code.equals(symbolCode)) {
                    throw new Error(`Symbol '${symbolCode}' does not exist.`)
                }

                return accountBalance?.balance
            })
            .catch((err) => {
                throw new Error(`Failed to fetch balance for ${accountName}: ${err}`)
            })
    }

Thx