cache not_archived notification list

app/controllers/instructeurs/procedures_controller.rb

@@ -98,6 +98,8 @@ module Instructeurs
         @archived_dossiers
       end
 
+      @not_archived_notifications_dossier_ids = current_instructeur.notifications_for_procedure(@procedure, :not_archived).pluck(:id)
+
       sorted_ids = procedure_presentation.sorted_ids(@dossiers, current_instructeur)
 
       if @current_filters.count > 0

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

@@ -135,7 +135,7 @@
               %td.folder-col
                 = link_to(instructeur_dossier_path(@procedure, dossier), class: 'cell-link') do
                   %span.icon.folder
-                    - if current_instructeur.notifications_for_procedure(@procedure, :not_archived).include?(dossier)
+                    - if @not_archived_notifications_dossier_ids.include?(dossier.id)
                       %span.notifications{ 'aria-label': 'notifications' }
 
               %td.number-col