fix: Item Variant selection empty popup on website

- pass item_code instead of website item name to fetch attributes

erpnext/templates/generators/item/item_configure.html

@@ -4,8 +4,8 @@
 <div class="mt-5 mb-6">
 	{% if cart_settings.enable_variants | int %}
 	<button class="btn btn-primary-light btn-configure font-md mr-2"
-		data-item-code="{{ doc.name }}"
-		data-item-name="{{ doc.item_name }}"
+		data-item-code="{{ doc.item_code }}"
+		data-item-name="{{ doc.web_item_name }}"
 	>
 		{{ _('Select Variant') }}
 	</button>