[FIX] website_sale: correctly update prices according to fiscal position

The prices displayed on the /shop page were not refreshed if the fiscal
position computed for the current partner was modified.

Part-of: odoo/odoo#121986

addons/website_sale/controllers/main.py

@@ -452,6 +452,7 @@ class WebsiteSale(http.Controller):
             'attrib_set': attrib_set,
             'pager': pager,
             'pricelist': pricelist,
+            'fiscal_position': fiscal_position_sudo,
             'add_qty': add_qty,
             'products': products,
             'search_product': search_product,

addons/website_sale/views/templates.xml

@@ -946,7 +946,7 @@
              Change accordingly to the derired visual result (eg. `primary`, `dark`...)-->
         <t t-set="navClass" t-valuef="light"/>
 
-    <t t-cache="pricelist,product">
+    <t t-cache="pricelist,product,fiscal_position">
         <t t-set="combination" t-value="product._get_first_possible_combination()"/>
         <t t-set="combination_info" t-value="product._get_combination_info(combination, add_qty=add_qty)"/>
         <t t-set="product_variant" t-value="product.env['product.product'].browse(combination_info['product_id'])"/>