Hyperlink provided by GetItemInfo(id)[1] is a link for the normal version of an item. Whenever Scrap encounters items of a different version (e.g. mythic) it still tests the normal version for transmog appearance collection causing the addon not selling items properly. The following changes provide desired behavior.

        local _, link, quality, level,_,_,_,_, slot, _, value, class, subclass, bound = C.Item.GetItemInfo(id)
        local level = location and C.Item.GetCurrentItemLevel(location) or level or 0
+       local bagId, bagSlotId = ...
+       link = C_Container.GetContainerItemLink(bagId, bagSlotId) or link

I'm not creating a proper PR since I'm not confident enough on where to better apply the fix.

1. Scrap/addons/main/main.lua

   Line 147 in f13f889

   local _, link, quality, level,_,_,_,_, slot, _, value, class, subclass, bound = C.Item.GetItemInfo(id)