В /localization/CLDR/core/common/main/ выбираете язык, для русского ru.xml меняете
<currencyFormats numberSystem="latn">
<currencyFormatLength>
<currencyFormat type="standard">
<pattern>#,##0.00 ¤</pattern>
</currencyFormat>
<currencyFormat type="accounting">
<pattern>#,##0.00 ¤</pattern>