Fix dropped/thrown item behavior

Zennysoft.Game.Ma/src/game/Game.cs

@@ -238,7 +238,7 @@ public partial class Game : Node3D, IGame
     var droppedScene = GD.Load<PackedScene>("res://src/items/dropped/DroppedItem.tscn");
     var dropped = droppedScene.Instantiate<DroppedItem>();
     dropped.Item = item;
-    AddChild(dropped);
+    _map.AddChild(dropped);
     dropped.Drop();
   }
 
@@ -246,7 +246,7 @@ public partial class Game : Node3D, IGame
   {
     var setScene = GD.Load<PackedScene>("res://src/items/misc/SetItem.tscn");
     var setItem = setScene.Instantiate<SetItem>();
-    AddChild(setItem);
+    _map.AddChild(setItem);
     setItem.Set();
   }
 
@@ -255,8 +255,7 @@ public partial class Game : Node3D, IGame
     var thrownScene = GD.Load<PackedScene>("res://src/items/thrown/ThrownItem.tscn");
     var thrown = thrownScene.Instantiate<ThrownItem>();
     thrown.ItemThatIsThrown = item;
-    AddChild(thrown);
-    thrown.Position += new Vector3(0, 1.5f, 0);
+    _map.AddChild(thrown);
     thrown.Throw(_effectService);
   }