[FIX] website_sale: fix eshop prices on branch website

Steps to reproduce:
- Create a branch for a company (e.g. Branch X)
- Go to "Website / Configuration / Websites"
- Create or configure a website on Branch X (e.g. Website X)
- Go to "Website / Configuration / Settings"
- Select Website X
- Set "Display Product Prices" to "Tax Included"
- Create a product for a price of $100 and a tax from parent company (e.g. 15%)
- Go to eShop page of Website X

Issue:
On the eShop products list page, the price of the product should be "Tax Included" ($115),
but it is not. The displayed price is $100.
When accessing the product page, the price is correctly displayed with the tax ($115).

Cause:
When computing the prices, taxes from parent companies are not taken into account.

opw-3660156

closes odoo/odoo#151320

X-original-commit: cbea1dac9d5d30fb42912b4ec25061952cde67a8
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
Signed-off-by: Anh Thao Pham (pta) <pta@odoo.com>

addons/website_sale/models/product_template.py

@@ -273,7 +273,7 @@ class ProductTemplate(models.Model):
         for template in self:
             price_reduce = sales_prices[template.id]
 
-            product_taxes = template.sudo().taxes_id.filtered(lambda t: t.company_id == t.env.company)
+            product_taxes = template.sudo().taxes_id.filtered(lambda t: t.company_id in t.env.company.parent_ids)
             taxes = fiscal_position.map_tax(product_taxes)
 
             base_price = None