[IMP] sale_product_configurator: empty line on configuration cancel.

addons/sale_product_configurator/static/src/js/product_configurator_controller.js

@@ -247,7 +247,7 @@ var ProductConfiguratorFormController = FormController.extend({
     _onModalClose: function () {
         if (this.renderer.state.context.configuratorMode === 'options'
             && this._wasConfirmed !== true) {
-            this._onAddRootProductOnly();
+              this.do_action({type: 'ir.actions.act_window_close'});
         }
     },
 

addons/sale_product_configurator/static/src/js/product_configurator_widget.js

@@ -152,8 +152,8 @@ ProductConfiguratorWidget.include({
                 if (result && !result.special) {
                     self._addProducts(result, dataPointId);
                 } else {
-                    // is this restoreProductTemplateId ability useful ???
                     if (self.restoreProductTemplateId) {
+                        // if configurator opened in edit mode.
                         self.trigger_up('field_changed', {
                             dataPointID: dataPointId,
                             preventProductIdCheck: true,
@@ -161,6 +161,16 @@ ProductConfiguratorWidget.include({
                                 product_template_id: self.restoreProductTemplateId.data
                             }
                         });
+                    } else {
+                        // if configurator opened to create line:
+                        // destroy line if configurator closed during configuration process.
+                        self.trigger_up('field_changed', {
+                            dataPointID: dataPointId,
+                            changes: {
+                                product_template_id: false,
+                                product_id: false,
+                            },
+                        });
                     }
                 }
             }