[16.0][BUG] product_configurator_sale: price update when pricelist discout included in price

[techgrrow]

Module

product_configurator_sale

Bug description

If a pricelist with a Discount Policy "Discount included in the price" is selected in the sale order, the prices of configured product are not updated, while normal products are. See video example below:
https://github.com/user-attachments/assets/326409df-c8fc-4117-addd-5d8f79006b49

To Reproduce

Affected versions: 16.0

Steps to reproduce the behavior:

1. Create a SO with a configured product and a normal one
2. Create a pricelist with a rule that applies to the configured product (or all products) and Discount Policy "Discount included in the price"
3. select that pricelist in the sale order and update the product prices

Expected behavior
The conficured product prices need to be updated following the pricelist rules

[techgrrow]

Proposed fix in PR #149