Add more floors, light refactoring

src/inventory_menu/InventoryMenu.cs

@@ -11,6 +11,8 @@ public interface IInventoryMenu : IControl
 {
   public Task RedrawInventory();
 
+  public Task ShowMessage(string message);
+
   event InventoryMenu.ClosedMenuEventHandler ClosedMenu;
 }
 
@@ -93,16 +95,15 @@ public partial class InventoryMenu : Control, IInventoryMenu
     Player.Inventory.EquippedArmor.Sync += EquippedArmor_Sync;
     Player.Inventory.EquippedAccessory.Sync += EquippedAccessory_Sync;
 
-    Game.StatRaisedAlert += Game_StatRaisedAlert;
     SetProcessInput(false);
   }
 
-  private async void Game_StatRaisedAlert(string statRaisedAlert)
+  public async Task ShowMessage(string message)
   {
     SetProcessInput(false);
     await HideUserActionPrompt();
     await ShowInventoryInfo();
-    ItemEffectLabel.Text = statRaisedAlert;
+    ItemEffectLabel.Text = message;
     await ToSignal(GetTree().CreateTimer(1f), "timeout");
     await RedrawInventory();
     SetProcessInput(true);