Hotfix/oct 24 fixes (#9261)

* Removed max height from text section

* Added items to mystery sets

* Group manager fixes

* Fixed promo code apply

website/common/script/libs/getItemInfo.js

@@ -219,6 +219,7 @@ module.exports = function getItemInfo (user, type, item, officialPinnedItems, la
       break;
     case 'mystery_set':
       itemInfo = {
+        items: item.items,
         key: item.key,
         text: item.text(language),
         value: 1,