fix: Do not check for cancelled invoices

(cherry picked from commit 701fc02050)

erpnext/accounts/doctype/subscription/subscription.py

@@ -634,9 +634,7 @@ class Subscription(Document):
 		"""
 		invoice = frappe.get_all(
 			self.invoice_document_type,
-			{
-				"subscription": self.name,
-			},
+			{"subscription": self.name, "docstatus": ("<", 2)},
 			limit=1,
 			order_by="to_date desc",
 			pluck="name",