whiteboard id added

dotnet/AipsCore/Domain/Models/Shape/Shape.cs

@@ -1,6 +1,7 @@
 using System.Drawing;
 using AipsCore.Domain.Models.Shape.Enums;
 using AipsCore.Domain.Models.Shape.ValueObjects;
+using AipsCore.Domain.Models.Whiteboard.ValueObjects;
 
 namespace AipsCore.Domain.Models.Shape;
 
@@ -8,16 +9,19 @@ public abstract class Shape
 {
     public ShapeId Id { get; }
     
+    public WhiteboardId WhiteboardId { get; private set; }
+    
     public abstract ShapeTypeEnum ShapeType { get; }
     
     public Position Position { get; private set; }
 
     public Color Color { get; private set; }
 
-    protected Shape(ShapeId id, Position position, Color color)
+    protected Shape(ShapeId id, WhiteboardId whiteboardId, Position position, Color color)
     {
         Id = id;
         Position = position;
         Color = color;
+        WhiteboardId = whiteboardId;
     }
 }