TVA : set id_tax_rate à la création des ProductOrder

backend/controllers/OrderController.php

                                                                 $productOrder->price = $p->price;
                                                                 $productOrder->unit = $p->unit;
                                                                 $productOrder->step = $p->step;
+                                                                $productOrder->id_tax_rate = $p->taxRate->id ;
                                                                 $productOrder->save();
                                                         }
                                                 }
                                                                 $productOrder->price = $p->price;
                                                                 $productOrder->unit = $p->unit;
                                                                 $productOrder->step = $p->step;
+                                                                $productOrder->id_tax_rate = $p->taxRate->id ;
                                                                 $productOrder->save();
                                                         }
                                                 }
                                         $productOrder->unit = $product->unit;
                                         $productOrder->step = $product->step;
                                         $productOrder->price = $product->price;
+                                        $productOrder->id_tax_rate = $product->taxRate->id;
                                         $productOrder->save();
                                 }
                         }
                                                         $productOrder->unit = $product->unit;
                                                         $productOrder->step = $product->step;
                                                         $productOrder->price = $product->price;
+                                                        $productOrder->id_tax_rate = $product->taxRate->id;
                                                 }
                                         }
 

common/models/Subscription.php

                                 $productOrder->price = $productSubscription->product->price;
                                 $productOrder->unit = $productSubscription->product->unit;
                                 $productOrder->step = $productSubscription->product->step;
+                                $productOrder->id_tax_rate = $productSubscription->product->taxRate->id;
                                 $productOrder->save();
                                 $productsAdd = true;
                         }

producer/controllers/OrderController.php

                                         $productOrder->id_product = $product->id;
 
                                         $productOrder->price = $product->price;
-                                        $productOrder->id_tax_rate = $product->id_tax_rate;
+                                        $productOrder->id_tax_rate = $product->taxRate->id;
 
                                         $unit = (!is_null($order) && isset($unitsArray[$product->id])) ? $unitsArray[$product->id] : $product->unit;
                                         $coefficient = Product::$unitsArray[$unit]['coefficient'];