fix: LuaItemStack could be invalid

Fixed an issue with clearing inventories of players where the command
failed due to it attempting to access LuaItemStacks that were invalid
for read

modules/addons/inventory-clear.lua

@@ -3,13 +3,13 @@
 
 local Event = require 'utils.event' --- @dep utils.event
 local events = require 'config.inventory_clear' --- @dep config.inventory_clear
-local move_items = _C.move_items --- @dep expcore.common
+local move_items_stack = _C.move_items_stack --- @dep expcore.common
 
 local function clear_items(event)
     local player = game.players[event.player_index]
     local inv = player.get_main_inventory()
-    move_items(inv.get_contents())
+    move_items_stack(inv)
     inv.clear()
 end
 
-for _, event_name in ipairs(events) do Event.add(event_name, clear_items) end
+for _, event_name in ipairs(events) do Event.add(event_name, clear_items) end