Amélioration visuelle correctif employeur facultatif

(cherry picked from commit b0431667)

module/Dossier/src/Form/IntervenantDossierForm.php

@@ -94,6 +94,10 @@ class IntervenantDossierForm extends AbstractForm
         $this->dossierEmployeurFieldset = new EmployeurFieldset('DossierEmployeur');
         $this->dossierEmployeurFieldset->init();
 
+        if ($statut->getDossierEmployeurFacultatif()) {
+            $this->dossierEmployeurFieldset->get('employeur')->setLabel('Employeurs :');
+        }
+
         $this->dossierAutresFiedlset = new DossierAutresFieldset('DossierAutres', ['listChampsAutres' => $dossierIntervenant->getStatut()->getChampsAutres()]);
         $this->dossierAutresFiedlset->init();