FIX: Redirect away from `account-created` if you're logged in

app/controllers/users_controller.rb

@@ -533,6 +533,8 @@ class UsersController < ApplicationController
   end
 
   def account_created
+    return redirect_to("/") if current_user.present?
+
     @custom_body_class = "static-account-created"
     @message = session['user_created_message'] || I18n.t('activation.missing_session')
     @account_created = { message: @message }

spec/controllers/users_controller_spec.rb

@@ -2008,6 +2008,12 @@ describe UsersController do
       expect(created[:username]).to be_blank
     end
 
+    it "redirects when the user is logged in" do
+      log_in(:user)
+      get :account_created
+      expect(response).to be_redirect
+    end
+
     context "when the user account is created" do
       before do
         session['user_created_message'] = "Donuts"