Layer timeline - Show keyframes of collapsed groups

Profile editor - Don't reload UI elements on undo/redo if there's nothing to undo/redo
Layer properties - Properly show/hide properties

src/Artemis.UI/Screens/Module/ProfileEditor/LayerProperties/LayerPropertyViewModel.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using Artemis.Core.Models.Profile.LayerProperties;
 using Artemis.Core.Models.Profile.LayerProperties.Attributes;
@@ -33,6 +34,8 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties
                 else
                     PropertyDescription.Name = $"Unknown {typeof(T).Name} property";
             }
+
+            LayerProperty.VisibilityChanged += LayerPropertyOnVisibilityChanged;
         }
 
         public override bool IsVisible => !LayerProperty.IsHidden;
@@ -51,6 +54,8 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties
         {
             TreePropertyViewModel.Dispose();
             TimelinePropertyViewModel.Dispose();
+
+            LayerProperty.VisibilityChanged -= LayerPropertyOnVisibilityChanged;
         }
 
         public void SetCurrentValue(T value, bool saveChanges)
@@ -61,6 +66,11 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.LayerProperties
             else
                 ProfileEditorService.UpdateProfilePreview();
         }
+
+        private void LayerPropertyOnVisibilityChanged(object? sender, EventArgs e)
+        {
+           NotifyOfPropertyChange(nameof(IsVisible));
+        }
     }
 
     public abstract class LayerPropertyViewModel : LayerPropertyBaseViewModel