fix: enable lograge in superadmin path (#7026)

* fix: lograge superadmin path
* chore: add spec for superadmin devise session controller
* chore: address review comment

spec/controllers/super_admin/devise/sessions_controller_spec.rb

@@ -0,0 +1,12 @@
+require 'rails_helper'
+
+RSpec.describe 'Super Admin', type: :request do
+  describe '/super_admin' do
+    it 'renders the login page' do
+      with_modified_env LOGRAGE_ENABLED: 'true' do
+        get '/super_admin/sign_in'
+        expect(response).to have_http_status(:ok)
+      end
+    end
+  end
+end