fix: Filters did not consider Website Item Group
diff --git a/erpnext/shopping_cart/filters.py b/erpnext/shopping_cart/filters.py
index 6c63d87..979afd3 100644
--- a/erpnext/shopping_cart/filters.py
+++ b/erpnext/shopping_cart/filters.py
@@ -22,12 +22,15 @@
 
 		filter_data = []
 		for df in fields:
-			filters = {}
+			filters, or_filters = {}, []
 			if df.fieldtype == "Link":
 				if self.item_group:
-					filters['item_group'] = self.item_group
+					or_filters.extend([
+						["item_group", "=", self.item_group],
+						["Website Item Group", "item_group", "=", self.item_group]
+					])
 
-				values =  frappe.get_all("Item", fields=[df.fieldname], filters=filters, distinct="True", pluck=df.fieldname)
+				values =  frappe.get_all("Item", fields=[df.fieldname], filters=filters, or_filters=or_filters, distinct="True", pluck=df.fieldname, debug=1)
 			else:
 				doctype = df.get_link_doctype()
 
@@ -44,7 +47,9 @@
 				values = [d.name for d in frappe.get_all(doctype, filters)]
 
 			# Remove None
-			values = values.remove(None) if None in values else values
+			if None in values:
+				values.remove(None)
+
 			if values:
 				filter_data.append([df, values])
 
@@ -61,14 +66,18 @@
 		for attr_doc in attribute_docs:
 			selected_attributes = []
 			for attr in attr_doc.item_attribute_values:
+				or_filters = []
 				filters= [
 					["Item Variant Attribute", "attribute", "=", attr.parent],
 					["Item Variant Attribute", "attribute_value", "=", attr.attribute_value]
 				]
 				if self.item_group:
-					filters.append(["item_group", "=", self.item_group])
+					or_filters.extend([
+						["item_group", "=", self.item_group],
+						["Website Item Group", "item_group", "=", self.item_group]
+					])
 
-				if frappe.db.get_all("Item", filters, limit=1):
+				if frappe.db.get_all("Item", filters, or_filters=or_filters, limit=1):
 					selected_attributes.append(attr)
 
 			if selected_attributes:
diff --git a/erpnext/shopping_cart/product_query.py b/erpnext/shopping_cart/product_query.py
index bb31220..0b05f68 100644
--- a/erpnext/shopping_cart/product_query.py
+++ b/erpnext/shopping_cart/product_query.py
@@ -101,7 +101,7 @@
 		for item in result:
 			product_info = get_product_info_for_website(item.item_code, skip_quotation_creation=True).get('product_info')
 			if product_info:
-				item.formatted_price = product_info.get('price', {}).get('formatted_price')
+				item.formatted_price = (product_info.get('price') or {}).get('formatted_price')
 
 		return result