ChatItem - duplication bug

[daniel-skopek]

Used ChestSort version
14.0.0

Used Spigot version
UniverseSpigot 1.20.4

Describe the bug
Using sort feature player can take items from opened inventory from ChatItem plugin.
ChatItem: https://www.spigotmc.org/resources/chatitem-display-items-in-chat.19064/

To Reproduce

1. Enable sort: /sort
2. Type [inv] in chat.
3. Click on the [inv] in the chat.
4. Player inventory opens.
5. Sort feature will take items from the opened inventory.

Expected behavior
Sort feature should be accessible for example only when opening physical chests.