chore(messagerie): mention multiple files are possible

app/components/attachment/edit_component/edit_component.en.yml

@@ -5,6 +5,7 @@ en:
   retry: Retry
   delete: Delete
   delete_file: Delete file %{filename}
+  multiple_files: Multiple files possible.
   replace: Replace
   replace_file: Replace file %{filename}
   open_file: Open file %{filename}

app/components/attachment/edit_component/edit_component.fr.yml

@@ -5,6 +5,7 @@ fr:
   retry: Réessayer
   delete: Supprimer
   delete_file: Supprimer le fichier %{filename}
+  multiple_files: Plusieurs fichiers possibles.
   replace: Remplacer
   replace_file: Remplacer le fichier %{filename}
   open_file: Ouvrir le fichier %{filename}

app/components/attachment/edit_component/edit_component.html.haml

@@ -43,6 +43,8 @@
         = t('.max_file_size', max_file_size: number_to_human_size(max_file_size))
       - if allowed_formats.present?
         = t('.allowed_formats', formats: allowed_formats.join(', '))
+      - if as_multiple?
+        = t('.multiple_files')
 
   - if !persisted? || champ.present? && champ.titre_identite?
     = file_field(champ, field_name, **file_field_options)