schema: validate against new TFE field spec

- add exemplaire_baiu, exemplaire_erg, cc4r, remarks;
- add is_ulb to jury;
- split jury_lecteurs into interne/externe in view;
- refactor admin edit form with backoffice fields;
- update public fiche to show promoteur ULB and split lecteurs

app/src/Controllers/ThesisCreateController.php

@@ -322,6 +322,7 @@ class ThesisCreateController
                 'name'        => trim($post['jury_promoteur']),
                 'role'        => 'promoteur',
                 'is_external' => isset($post['jury_promoteur_ext']) ? 1 : 0,
+                'is_ulb'      => isset($post['jury_promoteur_ulb']) ? 1 : 0,
             ];
         }
         foreach ($post['jury_lecteurs'] ?? [] as $i => $name) {