[#1563] Display attestation / closed mail discrepancy alert in admin interface

- When changing emails
- When changing attestation
- As a safety net, on summary page

app/views/admin/attestation_templates/edit.html.haml

@@ -1,3 +1,4 @@
+= render partial: 'admin/closed_mail_template_attestation_inconsistency_alert'
 #attestation-template-edit.row.white-back
   = form_for @attestation_template, url: admin_procedure_attestation_template_path do |f|
     .row

app/views/admin/mail_templates/edit.html.haml

@@ -1,3 +1,5 @@
+- if params[:id] == 'closed_mail'
+  = render partial: 'admin/closed_mail_template_attestation_inconsistency_alert'
 .white-back
   %h3
     = @mail_template.class.const_get(:DISPLAYED_NAME)

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

@@ -1,3 +1,4 @@
+= render partial: 'admin/closed_mail_template_attestation_inconsistency_alert'
 #custom-mails
   .wrapper
     %h1 E-mails personnalisables

app/views/admin/procedures/show.html.haml

@@ -1,3 +1,4 @@
+= render partial: 'admin/closed_mail_template_attestation_inconsistency_alert'
 .row.white-back
   #procedure_show
     - if @facade.procedure.brouillon?