CRM-21636: Incorrect price amount when discount is applied (4.7.29 regression)

Created by: monishdeb

Overview

Steps to replicate:

1. Use . (dot) and , (comma) as thousand and decimal separator respectively.
2. Configure a discount code, to be used against even or membership. (I choose 63% discount for an Event)
3. Go to event page/membership signup page and apply the discount code. Lets say 63% discount amount - $100

Before

After