ItemSellEvent Returns AIR for Sold Items

[shika258]

When players use the /sell hand or /sellhand ou /selldrops etc... command, the getSoldItem method in the ItemSellEvent always returns an ItemStack of AIR instead of the actual item being sold.

Steps to Reproduce
Hold an item (e.g., WHEAT) in hand.
Execute /sell hand or /sellhand.
getSoldItem returns AIR instead of the item.

Expected Behavior
getSoldItem should return the correct item being sold.

Logs

Environment
Minecraft Version: [e.g., 1.21.3]
Plugin Version: [last]