fix: creat linux asset protocol default value is sftp

apps/assets/migrations/0004_auto_20240709_1819.py

@@ -0,0 +1,28 @@
+# Generated by Django 4.1.13 on 2024-07-09 10:19
+
+from django.db import migrations
+
+
+def migrate_platform_protocol_primary(apps, schema_editor):
+    platform_model = apps.get_model('assets', 'Platform')
+    platforms = platform_model.objects.all()
+
+    for platform in platforms:
+        p = platform.protocols.filter(primary=True).first()
+        if p:
+            continue
+        p = platform.protocols.first()
+        if not p:
+            continue
+        p.primary = True
+        p.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('assets', '0003_auto_20180109_2331'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_platform_protocol_primary)
+    ]