access restrictions can be set to public to make them available to everyone (even not logged in users)

public access restrictions do not count to the unlocked areas count

src/c3nav/mapdata/migrations/0093_public_accessrestriction.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.7 on 2023-12-20 22:25
+
+import c3nav.mapdata.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0092_accesspermission_by_group'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='accessrestriction',
+            old_name='open',
+            new_name='public',
+        ),
+        migrations.AlterField(
+            model_name='accessrestriction',
+            name='public',
+            field=models.BooleanField(default=False, verbose_name='public'),
+        ),
+    ]