Enhance ChargeProgressBar and Marketplace functionality; add owner exit handling and update skill button states

scripts/UI/ChargeProgressBar.cs

@@ -14,6 +14,8 @@ public partial class ChargeProgressBar : ProgressBar
     public override void _Ready()
     {
         Owner.ChildEnteredTree += OnNodeEntered;
+        Owner.TreeExiting += OnOwnerExiting;
+        
         ProgressBar.Hide();
         SetupDependencies();
     }
@@ -24,6 +26,18 @@ public partial class ChargeProgressBar : ProgressBar
         ThrowComponent = throwComponent;
         SetupDependencies();
     }
+    private void OnOwnerExiting()
+    {
+        if (_throwInput != null)
+        {
+            _throwInput.ChargeStarted -= OnChargeStarted;
+            _throwInput.ChargeStopped -= OnChargeStopped;
+            _throwInput.ChargeUpdated -= OnChargeUpdated;
+            _throwInput = null;
+        }
+        ThrowComponent = null;
+    }
+    
 
     private void SetupDependencies()
     {

scripts/UI/Marketplace.cs

@@ -128,5 +128,13 @@ public partial class Marketplace : Control
     private void OnSkillButtonPressed(SkillButton button)
     {
         SkillUnlockerComponent.SkillManager.ToggleSkillActivation(button.Data);
+        
+        foreach (var btn in _skillButtons)
+        {
+            if (btn.Data.IsActive)
+                btn.Activate();
+            else
+                btn.Deactivate();
+        }
     }
 }