[IMP] website_sale: adds search_product to shop values

closes odoo/odoo#106613

X-original-commit: 3772da47af7e1de2d9608372c9306e61a91ded82
Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>

addons/website_sale/controllers/main.py

@@ -459,6 +459,7 @@ class WebsiteSale(http.Controller):
             'pricelist': pricelist,
             'add_qty': add_qty,
             'products': products,
+            'search_product': search_product,
             'search_count': product_count,  # common for all searchbox
             'bins': lazy(lambda: TableCompute().process(products, ppg, ppr)),
             'ppg': ppg,