fix: create single leave ledger encashment entry for carry forwarding…

… leave type (backport #2614) (#2627)

Co-authored-by: Asmita Hase <[email protected]>

hrms/hr/doctype/leave_encashment/leave_encashment.py

@@ -204,7 +204,9 @@ def create_leave_ledger_entry(self, submit=True):
 			return
 
 		to_date = leave_allocation.get("to_date")
-		if to_date < getdate():
+
+		can_expire = not frappe.db.get_value("Leave Type", self.leave_type, "is_carry_forward")
+		if to_date < getdate() and can_expire:
 			args = frappe._dict(
 				leaves=self.encashment_days, from_date=to_date, to_date=to_date, is_carry_forward=0
 			)