fix: resolve container width issues, spa redirects, and appearance settings overwrite. feat: enhance order/sub details and newsletter layout

includes/Templates/TemplateRegistry.php

@@ -11,7 +11,7 @@ class TemplateRegistry
      */
     public static function get_templates()
     {
-        return [
+        return apply_filters('woonoow_page_templates', [
             [
                 'id' => 'blank',
                 'label' => 'Blank Page',
@@ -40,7 +40,7 @@ class TemplateRegistry
                 'icon' => 'mail',
                 'sections' => self::get_contact_structure()
             ]
-        ];
+        ]);
     }
 
     /**