🩹(mailbox) fix status of current mailboxes

All mailboxes created so far should be in active status

src/backend/mailbox_manager/migrations/0015_change_mailboxes_status_to_enabled.py

@@ -0,0 +1,20 @@
+
+from django.db import migrations, models
+
+from mailbox_manager import enums
+
+def change_mailboxes_status_to_enabled(apps, schema_editor):
+    Mailbox = apps.get_model('mailbox_manager', 'Mailbox')
+    Mailbox.objects.filter(status=enums.MailboxStatusChoices.PENDING).update(status=enums.MailboxStatusChoices.ENABLED)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mailbox_manager', '0014_mailbox_status'),
+    ]
+
+    operations = [
+        migrations.RunPython(change_mailboxes_status_to_enabled, reverse_code=migrations.RunPython.noop),
+
+    ]