Error when using a non standrad decimal amount for a currency

[ChristianAF]

Describe the bug
https://wordpress.org/support/topic/error-when-4-digits-are-used-instead-of-2/

In this case, the user is using "Number of decimals" = 4 for EUR and showing 2 decimals on Front End

To Reproduce
Steps to reproduce the behavior:

1. Set 4 decimals for EUR or USD
2. Go to the site and add the product to the cart
3. go to the cart and open the console of the browser
4. See the error

Screenshots

Expected behavior
No console error should be displayed, the decimals should be truncated to the default for each currency

Isolating the problem (mark completed items with an [x]):

• I have deactivated other plugins and confirmed this bug occurs when only the extension is active.
• I can reproduce this bug consistently using the steps above.