autofix pinned seasonal gear - fixes #9448 (#9570)

* auto-remove officialPinned item from userPinned-array on pinning

* hide event limited message if an item was already owned by the user

website/common/script/libs/shops.js

@@ -140,6 +140,8 @@ shops.checkMarketGearLocked = function checkMarketGearLocked (user, items) {
     if (itemOwned === false) {
       gear.locked = false;
     }
+
+    gear.owned = itemOwned;
   }
 };