unify account_id creation

counter/migrations/0020_auto_20221215_1709.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.2.16 on 2022-12-15 16:09
+
+import accounting.models
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("counter", "0019_billinginfo"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="customer",
+            name="amount",
+            field=accounting.models.CurrencyField(
+                decimal_places=2, default=0, max_digits=12, verbose_name="amount"
+            ),
+        ),
+    ]