[QW][4348234] Price HT

# Done by RHT on the 05/12/2024
#Task : https://www.odoo.com/odoo/project.task/project.task/4348234
# Need : margin computation based on the sale price (exluded) and margin
# Pastebin : https://pastebin.com/QXC5L9FL
for product in self:
    total_tax_percentage = sum(tax.amount for tax in product.taxes_id) / 100
    # Calculate the price excluding tax
    product['x_studio_list_price_excluded'] = product.list_price / (1 + total_tax_percentage)