Remove required from all admin add/edit form inputs

- Skip required-field validation for orientation/ap/finality/licence/jury in admin add+edit

app/templates/partials/form/fieldset-files.php

@@ -8,8 +8,10 @@
  *   3. TFE (obligatoire)
  *   4. Annexes éventuelles (optionnel)
  *
- * Variables consumed: none beyond APP_ROOT (always available).
+ * Variables consumed:
+ *   bool $adminMode  — when true, no field is required (admin add/edit mode).
  */
+$adminMode = $adminMode ?? false;
 ?>
 <fieldset>
     <legend>Fichiers</legend>
@@ -27,7 +29,7 @@
     $label = 'Note d\'intention :';
     $accept ='.pdf';
     $hint = 'Format PDF uniquement.';
-    $required = true;
+    $required = !$adminMode;
     include APP_ROOT . '/templates/partials/form/file-field.php';
     ?>