[producer] Correction bug product.productDistribution non défini

producer/controllers/OrderController.php

             $indexProduct = 0 ;
             foreach($productsArray as &$product) {
                 
+                if(!isset($theProduct['productDistribution'][0])) {
+                    $theProduct['productDistribution'][0] = $distribution->linkProduct($product) ;
+                }
+                
                 $coefficient_unit = Product::$unitsArray[$product['unit']]['coefficient'] ;
                 
                 if(is_null($product['photo'])) {