fix: Server Error while creating Product Bundle (backport #38377) (#3…

…8380)

* fix: product bundle search input

(cherry picked from commit 729fc73)

* fix: don't select all fields

(cherry picked from commit 8c3713b)

---------

Co-authored-by: s-aga-r <sagarsharma.s312@gmail.com>

erpnext/selling/doctype/product_bundle/product_bundle.py

@@ -76,16 +76,19 @@ def validate_child_items(self):
 @frappe.validate_and_sanitize_search_inputs
 def get_new_item_code(doctype, txt, searchfield, start, page_len, filters):
 	product_bundles = frappe.db.get_list("Product Bundle", {"disabled": 0}, pluck="name")
+
 	item = frappe.qb.DocType("Item")
-	return (
+	query = (
 		frappe.qb.from_(item)
-		.select("*")
+		.select(item.item_code, item.item_name)
 		.where(
-			(item.is_stock_item == 0)
-			& (item.is_fixed_asset == 0)
-			& (item.name.notin(product_bundles))
-			& (item[searchfield].like(f"%{txt}%"))
+			(item.is_stock_item == 0) & (item.is_fixed_asset == 0) & (item[searchfield].like(f"%{txt}%"))
 		)
 		.limit(page_len)
 		.offset(start)
-	).run()
+	)
+
+	if product_bundles:
+		query = query.where(item.name.notin(product_bundles))
+
+	return query.run()