chore(messagerie): add missing label on comment form

app/views/shared/dossiers/messages/_form.html.haml

@@ -8,10 +8,13 @@
   %p.mandatory-explanation= t('asterisk_html', scope: [:utils])
 
   = render Dsfr::InputComponent.new(form: f, attribute: :body, input_type: :text_area, opts: { rows: 5, placeholder: placeholder, title: placeholder, class: 'fr-input message-textarea'})
+
   - if local_assigns.has_key?(:dossier)
-    .fr-mt-3w{ data: { controller: "file-input-reset", delete_label: t('views.shared.messages.remove_file') } }
-      = render Attachment::MultipleComponent.new(attached_file: commentaire.piece_jointe)
-      %ul{ data: { 'file-input-reset-target': 'fileList' } }
+    .fr-mt-3w.fr-input-group
+      = f.label :piece_jointe, class: "fr-label"
+      %div{ data: { controller: "file-input-reset", delete_label: t('views.shared.messages.remove_file') } }
+        = render Attachment::MultipleComponent.new(attached_file: commentaire.piece_jointe)
+        %ul{ data: { 'file-input-reset-target': 'fileList' } }
 
   .fr-mt-3w
     = f.submit t('views.shared.dossiers.messages.form.send_message'), class: 'fr-btn', data: { disable: true }

config/locales/models/commentaire/en.yml

@@ -0,0 +1,6 @@
+en:
+  activerecord:
+    attributes:
+      commentaire:
+        body: 'Your message'
+        piece_jointe: "Attachment"

config/locales/models/commentaire/fr.yml

@@ -3,4 +3,4 @@ fr:
     attributes:
       commentaire:
         body: 'Votre message'
-        file: fichier
+        piece_jointe: "Pièce jointe"