Add mail templates to manager

app/dashboards/procedure_dashboard.rb

@@ -29,6 +29,11 @@ class ProcedureDashboard < Administrate::BaseDashboard
     archived_at: Field::DateTime,
     whitelisted_at: Field::DateTime,
     service: Field::BelongsTo,
+    initiated_mail_template: MailTemplateField,
+    received_mail_template: MailTemplateField,
+    closed_mail_template: MailTemplateField,
+    refused_mail_template: MailTemplateField,
+    without_continuation_mail_template: MailTemplateField,
   }.freeze
 
   # COLLECTION_ATTRIBUTES
@@ -68,6 +73,11 @@ class ProcedureDashboard < Administrate::BaseDashboard
     :individual_with_siret,
     :auto_archive_on,
     :gestionnaires,
+    :initiated_mail_template,
+    :received_mail_template,
+    :closed_mail_template,
+    :refused_mail_template,
+    :without_continuation_mail_template,
   ].freeze
 
   # FORM_ATTRIBUTES

app/fields/mail_template_field.rb

@@ -0,0 +1,7 @@
+require "administrate/field/base"
+
+class MailTemplateField < Administrate::Field::Base
+  def name
+    data.class::DISPLAYED_NAME
+  end
+end

app/views/fields/mail_template_field/_show.html.haml

@@ -0,0 +1,7 @@
+%strong Sujet
+%pre
+  = field.data.subject
+
+%strong Corps
+%pre
+  = field.data.body