[backend] distribution/index : afficher les boutons liés au crédit uniquement si cette option est activée

backend/controllers/DistributionController.php

         $format = 'Y-m-d' ;
         $dateObject = DateTime::createFromFormat($format, $date);
         
+        $producer = Producer::getCurrent() ;
+        $json['producer'] = [
+            'credit' => $producer->credit
+        ];
+        
         $distributionsArray = Distribution::searchAll([
             'active' => 1
         ], [

backend/views/distribution/index.php

                                         <span class="label label-warning input-group-addon" v-else-if="order.amount_paid < order.amount">reste à payer</span>
                                     </div>
                                 </td>
-                                <td class="column-payment">
+                                <td class="column-payment" v-if="producer.credit">
                                     <div class="btn-group" v-if="order.user && !order.date_delete">
                                         <button class="btn btn-xs btn-default" v-if="order.amount_paid == order.amount" @click="orderPaymentClick" :data-id-order="order.id" data-type="refund" :data-amount="order.amount">
                                             <span class="glyphicon glyphicon-euro"></span> Rembourser

backend/web/js/vuejs/distribution-index.js

         distribution: {
             active: false,
         },
+        producer: null,
         oneDistributionWeekActive: false,
         products: [],
         countActiveProducts: 0,
             axios.get("ajax-infos",{params: {date : this.getDate()}})
                 .then(function(response) {
                     app.distribution = response.data.distribution ;
-                    
+                    app.producer = response.data.producer ;
                     app.products = response.data.products ;
                     app.initCountActiveProducts() ;