Investigate the possibility to move CurrencyPrecision to core

[lenaorobei]

CurrencyPrecision module contains logic that might be useful for Magento core. Need to investigate the possibility to move CurrencyPrecision to Magento core.
Target version - 2.4.x.

[HirokazuNishi]

It's great. I've been working with Magento since 0.6, currency precision and rounding are headache topic for JPY, TWD, and other integer currencies. Especially, TWD is danger. NumberFormatter recognizes TWD as non-integer currency, but actually it's one of the integer currency.