[Bug Report] Item Select Problem

[jokiller1011]

Version: mcraft.fun
Server:
Platform: Chrome OS
Website: https://mcraft.fun/

Whenever I try to click on and item in creative most of the time put the wrong item in the inventory, but when you go to place it, it is the right block.

[zardoy]

Provide screenshots pls and version (or report bug from actual game not menu)