[backend] Document : ajout produit

backend/views/document/_form.php

                                                                 <input type="text" class="form-control input-price"
                                                                        v-model="productAddPrice" @change="formatProductAddPrice"/>
                                                                 <span class="input-group-addon"><span
-                                                                            class="glyphicon glyphicon-euro"></span> <span v-if="taxRateProducer != 0">TTC</span></span>
+                                                                            class="glyphicon glyphicon-euro"></span> <span v-if="taxRateProducer != 0">HT</span></span>
                                                         </div>
                                                 </div>
                                                 <div class="col-md-3">
                                                                 <input type="text" class="form-control input-price" readonly
                                                                        :value="formatPrice(productAddPrice * productAddQuantity)"/>
                                                                 <span class="input-group-addon"><span
-                                                                            class="glyphicon glyphicon-euro"></span> <span v-if="taxRateProducer != 0">TTC</span></span>
+                                                                            class="glyphicon glyphicon-euro"></span> <span v-if="taxRateProducer != 0">HT</span></span>
                                                         </div>
                                                         <button class="btn btn-primary" value="Ajouter"
                                                                 @click="submitProductAdd">Ajouter