SPIGOT-7620: Fix server crash when hoppers transfer items to double chests

By: 2008Choco <hawkeboyz2@hotmail.com>

paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityHopper.patch

@@ -78,7 +78,7 @@
 +                            destinationInventory = new CraftInventory(iinventory);
 +                        }
 +
-+                        InventoryMoveItemEvent event = new InventoryMoveItemEvent(iinventory.getOwner().getInventory(), oitemstack, destinationInventory, true);
++                        InventoryMoveItemEvent event = new InventoryMoveItemEvent(tileentityhopper.getOwner().getInventory(), oitemstack, destinationInventory, true);
 +                        world.getCraftServer().getPluginManager().callEvent(event);
 +                        if (event.isCancelled()) {
 +                            tileentityhopper.setItem(i, itemstack);