Fix additional survey mailing over pubsub

Author: Kagemaru

config/initializers/decidim_zuerich_customization.rb

@@ -85,17 +85,17 @@ def current_assembly
     end
   end
 
-  ActiveSupport::Notifications.subscribe 'answer_questionnaire.after' do |event|
-    Rails.logger.info "#{event} Received!"
-    questionnaire = event.resource
+  ActiveSupport::Notifications.subscribe('decidim.forms.answer_questionnaire:after') do |event_name, data|
+    Rails.logger.info "#{event_name} Received!"
+    questionnaire = data[:resource]
     has_component = questionnaire.questionnaire_for.respond_to? :component
     return unless has_component
 
     component = questionnaire.questionnaire_for.component
     return unless component.manifest_name == 'surveys'
 
     email = component.try(:settings).try(:notified_email)
-    id = form.context.session_token
+    id = data[:extra][:session_token]
 
     DecidimZuerich::Surveys::SurveyAnsweredMailer.answered(email, component, id).deliver_now if email.present?
   end

config/initializers/survey_emails.rb

@@ -3,4 +3,4 @@
 component = Decidim.find_component_manifest(:surveys)
 component.settings(:global) do |settings|
   settings.attribute :notified_email, type: :string
-end
+end