give team private threads role in addition to private threads moderator role

misago/users/migrations/0004_default_ranks.py

@@ -29,6 +29,7 @@ def create_default_ranks(apps, schema_editor):
     Role = apps.get_model('misago_acl', 'Role')
 
     team.roles.add(Role.objects.get(name=_("Moderator")))
+    team.roles.add(Role.objects.get(name=_("Private threads")))
     team.roles.add(Role.objects.get(name=_("Private threads moderator")))
     team.roles.add(Role.objects.get(name=_("Deleting users")))