Adapt configuration email view to the new UI

app/controllers/new_administrateur/mail_templates_controller.rb

@@ -2,6 +2,10 @@ module NewAdministrateur
   class MailTemplatesController < AdministrateurController
     include ActionView::Helpers::SanitizeHelper
 
+    def index
+      @mail_templates = mail_templates
+    end
+
     def preview
       mail_template = find_mail_template_by_slug(params[:id])
       dossier = Dossier.new(id: '1', procedure: procedure)

app/views/new_administrateur/mail_templates/index.html.haml

@@ -0,0 +1,13 @@
+= render partial: 'new_administrateur/breadcrumbs',
+  locals: { steps: [link_to('Démarches', admin_procedures_path),
+                    link_to("#{@procedure.libelle}", admin_procedure_path(@procedure)), "Configuration des emails"] }
+
+.container
+  - @mail_templates.each do |mail_template|
+    .card
+      .flex.justify-between
+        %div
+          .card-title= mail_template.class.const_get(:DISPLAYED_NAME)
+          %p.notice= mail_template.class.const_get(:DISPLAYED_NAME) === 'Accusé de réception' ? 'Personnalisé' : 'Modèle standard'
+        %div
+          = link_to 'Modifier', edit_admin_procedure_mail_template_path(@procedure, mail_template.class.const_get(:SLUG)), class: 'button'