GraveStonePlugin

[//] Fixed the issue with item loss when the inventory is full: now all items from the grave are correctly added to the player's inventory, and any overflow drops to the ground.

[//] The grave now correctly respects KeepInventory=true: if enabled, the grave is not created, as the items are retained by the player.

[//] Fixed the bug where dying in the void caused an error in the console.