style(demande): homogeneize "blank" champs and not attached files champs

app/components/dossiers/champ_row_show_component/champ_row_show_component.en.yml

@@ -1,3 +1,4 @@
 ---
 en:
   blank: "blank (optional)"
+  blank_attachment: "document not supplied (optional)"

app/components/dossiers/champ_row_show_component/champ_row_show_component.fr.yml

@@ -1,3 +1,4 @@
 ---
 fr:
   blank: "non saisi (facultatif)"
+  blank_attachment: "pièce justificative non saisie (facultative)"

app/components/dossiers/champ_row_show_component/champ_row_show_component.html.haml

@@ -14,10 +14,10 @@
             %span{ class: highlight_if_unseen_class(@demande_seen_at, champ.updated_at) }
               = t(:updated_at, scope: [:views, :shared, :dossiers, :form], datetime: try_format_datetime(champ.updated_at))
 
-      - if champ.blank? && ![TypeDeChamp.type_champs.fetch(:piece_justificative), TypeDeChamp.type_champs.fetch(:titre_identite)].include?(champ.type_champ)
+      - if champ.blank?
         .champ-content.fr-text-mention--grey{ class: [highlight_if_unseen_class(@demande_seen_at, champ.updated_at), champ.type_champ] }
           %p
-            %em= t('.blank')
+            %em= t(champ.type_de_champ.piece_justificative? ? '.blank_attachment' : '.blank')
       - else
         .champ-content{ class: [highlight_if_unseen_class(@demande_seen_at, champ.updated_at), champ.type_champ] }
           - case champ.type_champ

app/models/champs/piece_justificative_champ.rb

@@ -43,6 +43,10 @@ class Champs::PieceJustificativeChamp < Champ
     mandatory? && !piece_justificative_file.attached?
   end
 
+  def blank?
+    piece_justificative_file.blank?
+  end
+
   def for_export
     piece_justificative_file.map { _1.filename.to_s }.join(', ')
   end

app/models/champs/titre_identite_champ.rb

@@ -37,6 +37,10 @@ class Champs::TitreIdentiteChamp < Champ
     mandatory? && !piece_justificative_file.attached?
   end
 
+  def blank?
+    piece_justificative_file.blank?
+  end
+
   def for_export
     piece_justificative_file.attached? ? "présent" : "absent"
   end

app/views/shared/champs/piece_justificative/_show.html.haml

@@ -1,8 +1,4 @@
-- pj = champ.piece_justificative_file
-- if pj.attached?
 .fr-downloads-group
   %ul
-      - pj.attachments.each do |attachment|
+    - champ.piece_justificative_file.attachments.each do |attachment|
       %li= render Attachment::ShowComponent.new(attachment:, new_tab: true)
-- else
-  Pièce justificative non fournie