refactor: usage of modified ordering (#40705)

Audited some important code:
- general_ledger.py
- stock_ledger.py

erpnext/www/support/index.py

@@ -76,7 +76,7 @@ def get_help_article_list():
 			"Help Article",
 			fields="*",
 			filters={"category": category.name, "published": 1},
-			order_by="modified desc",
+			order_by="creation desc",
 			limit=5,
 		)
 		if help_articles: