fix(main): Use hookActionValidateOrderAfter; update to-do's ReadMe

src/Config/Config.php

@@ -6,7 +6,7 @@ class Config
 {
     const HOOKS = [
         'actionGetExtraMailTemplateVars',
-        'actionValidateOrder',
+        'actionValidateOrderAfter',
         'actionFrontControllerSetMedia',
         'displayAdminOrderMainBottom',
         'displayHeader',

src/Module/DisplayHooks.php

@@ -22,7 +22,6 @@ trait DisplayHooks
 
         $this->context->smarty->assign('gift_paper_options', $options);
 
-        return $this->display(__FILE__, 'views/templates/hook/your_template.tpl');
     }
 
     public function hookActionGetExtraMailTemplateVars(array $params): void
@@ -35,7 +34,7 @@ trait DisplayHooks
         $params['extra_template_vars']['{ws_gift_paper_choice}'] = $paperChoice;
     }
 
-    public function hookActionValidateOrder(array $params)
+    public function hookActionValidateOrderAfter(array $params)
     {
         /** @var Order $order */
         $order = $params['order'];