fix(utils): validate fractionDigits in getRoundedAmount to prevent RangeError#2602

jaffarkeikei wants to merge 1 commit intocoinbase:maincoinbase/onchainkit:mainfrom

jaffarkeikei:fix/getRoundedAmount-negative-fractionDigitsjaffarkeikei/onchainkit:fix/getRoundedAmount-negative-fractionDigitsCopy head branch name to clipboard