ItemFilter Bypass

[Monsiieur]

Information

Environment information
Plugin + server version info: 2.4.25 - 1.20.4 PAPERMC

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Online mode: yes

BungeeCord: yes

Server/crash log

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Plugin config (optional)

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Details

Description
Users can bypass the ItemFilter option in whitelist mode swapping items with offhand key

Steps to reproduce

Expected behavior

Other information (e.g. detailed explanation, related issues, suggestions how to fix, links for us to have context, screenshots, etc.)