[FIX] website_sale_wishlist: try to fix unreproductible bug

Rumor say that that 1x/100... the variant is not selected and that the tour crash.
So we are not sure that it will avoid that, but it will be not worse.

I will keep my fingers crossed for that.

addons/website_sale_wishlist/static/src/js/website_sale_tour_wishlist.js

@@ -62,11 +62,12 @@ tour.register('shop_wishlist', {
         },
         {
             content: "select desk cutomizable",
-            extra_trigger: '#product_detail',
+            extra_trigger: '#product_detail label:contains(Aluminium) input',
             trigger: 'label:contains(Aluminium) input',
         },
         {
-            content: "click on add to wishlist",
+            content: "Change variant, wait button enable and click on add to wishlist",
+            extra_trigger: '#product_detail .o_add_wishlist_dyn:not(".disabled")',
             trigger: '#product_detail .o_add_wishlist_dyn',
         },
         {