use extends instead of override and refactor helper

add overloads

OVERLOADS.md

@@ -166,3 +166,11 @@ end
 * `spec/mailers/decidim/budgets/vote_reminder_mailer_spec.rb`
 * `spec/services/decidim/budgets/order_reminder_generator_spec.rb`
 * `spec/system/admin_reminds_users_with_pending_orders_spec.rb`
+
+## Fix survey validation
+* `app/cells/decidim/forms/step_navigation/show.erb`
+* `app/packs/src/decidim/decidim_application.js`
+* `app/views/decidim/forms/questionnaires/show.html.erb`
+* `config/initializers/decidim_verifications.rb`
+* `spec/shared/has_questionnaire.rb`
+* `spec/system/survey_spec.rb`

config/initializers/extends.rb

@@ -2,3 +2,5 @@
 
 require "extends/controllers/decidim/devise/account_controller_extends"
 require "extends/controllers/decidim/meetings/meetings_controller_extends"
+require "extends/cells/decidim/forms/step_navigation_cell_extends"
+require "extends/helpers/decidim/forms/application_helper_extends"

lib/extends/cells/decidim/forms/step_navigation_cell_extends.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Decidim
+  module Forms
+    module StepNavigationCellExtends
+      def errors
+        options[:errors]
+      end
+    end
+  end
+end
+
+Decidim::Forms::StepNavigationCell.class_eval do
+  prepend(Decidim::Forms::StepNavigationCellExtends)
+end

lib/extends/cells/helpers/decidim/forms/application_helper_extends.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Decidim
+  module Forms
+    class ApplicationHelperExtends
+      def invalid?(responses)
+        responses.map { |response| response.errors.any? }.any?
+      end
+    end
+  end
+end
+
+Decidim::Forms::ApplicationHelper.class_eval do
+  prepend(Decidim::Forms::ApplicationHelperExtends)
+end