Type of bug

Exploit

/ess dump all output

https://essentialsx.net/dump.html?id=615cd51a8a9f4c4e9f9bb12f7d1bbe8f

Error log (if applicable)

No response

Bug description

image with basic info
https://youtu.be/JjIMhQhsd_s
^video with important information. NOTE that the timing in the video is not right as it is just luck to get the timing correct

Steps to reproduce

1. Have something in your inventory
2. Do a /warp or /tp to another world (nether->overworld)
3. Get the timing correct (see the video)

Expected behaviour

The items shouldn't have duplicated

Actual behaviour

The item that's beening hovered over duplicates

This bug would be out the scope of Essentials, the server is responsible for dropping the item in the cursor or adding it to the inventory.