Plugins can use a new modifier to change which site settings are hidden using the :hidden_site_settings modifier. For example:
```
register_modifier(:hidden_site_settings) do |hidden|
(hidden + [:invite_only, :login_required]).uniq
end
```
Plugins can use a new modifier to change which site settings are
hidden using the :hidden_site_settings modifier. For example:
register_modifier(:hidden_site_settings) do |hidden|
(hidden + [:invite_only, :login_required]).uniq
end