UI - Large amount of memory improvements in the VMs

Core - Minor memory improvements

src/Artemis.Core/Models/Profile/LayerShapes/LayerShape.cs

@@ -4,8 +4,6 @@ namespace Artemis.Core.Models.Profile.LayerShapes
 {
     public abstract class LayerShape
     {
-        private SKPath _path;
-
         protected LayerShape(Layer layer)
         {
             Layer = layer;
@@ -17,13 +15,9 @@ namespace Artemis.Core.Models.Profile.LayerShapes
         public Layer Layer { get; set; }
 
         /// <summary>
-        ///     Gets a copy of the path outlining the shape
+        ///     Gets a the path outlining the shape
         /// </summary>
-        public SKPath Path
-        {
-            get => _path != null ? new SKPath(_path) : null;
-            protected set => _path = value;
-        }
+        public SKPath Path { get; protected set; }
 
         public abstract void CalculateRenderProperties();
     }