[FIX] website_sale: fix missing file in assets_editor

Due to the new way of handling qweb assets, one file was missing from
the editor bundle, throwing a traceback when clicking on a product in
the product grid.

closes odoo/odoo#100477

Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>

addons/website_sale/__manifest__.py

@@ -90,6 +90,7 @@
             'website_sale/static/src/js/systray_items/*.js',
             'website_sale/static/src/js/components/wysiwyg_adapter/wysiwyg_adapter.js',
             'website_sale/static/src/js/website_sale_form_editor.js',
+            'website_sale/static/src/xml/website_sale_utils.xml',
         ],
         'web.assets_common': [
             'website_sale/static/src/js/tours/tour_utils.js',