add subsidy payment sorting

scipost_django/finances/migrations/0045_alter_subsidypayment_options.py

+# Generated by Django 4.2.10 on 2024-06-26 17:18
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("finances", "0044_remove_subsidy_algorithm_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="subsidypayment",
+            options={"ordering": ["date_scheduled", "reference", "amount"]},
+        ),
+    ]

scipost_django/finances/models/subsidy_payment.py

@@ -33,6 +33,9 @@ class SubsidyPayment(models.Model):
 
     objects = SubsidyPaymentQuerySet.as_manager()
 
+    class Meta:
+        ordering = ["date_scheduled", "reference", "amount"]
+
     def __str__(self):
         return f"payment {self.reference} for {self.subsidy}"