Autofix Rubocop RSpec/LeadingSubject (#23670)

spec/models/setting_spec.rb

@@ -163,12 +163,12 @@ RSpec.describe Setting, type: :model do
   end
 
   describe '.default_settings' do
+    subject { described_class.default_settings }
+
     before do
       allow(RailsSettings::Default).to receive(:enabled?).and_return(enabled)
     end
 
-    subject { described_class.default_settings }
-
     context 'RailsSettings::Default.enabled? is false' do
       let(:enabled) { false }