Owner draw image link label for mono compatibility

Bonsai.NuGet.Design/ImageLinkLabel.cs

@@ -39,5 +39,22 @@ public override Size GetPreferredSize(Size proposedSize)
             }
             return size;
         }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            var rectangle = ClientRectangle;
+            base.OnPaintBackground(e);
+            if (Image != null)
+            {
+                var imageBounds = CalcImageRenderBounds(Image, rectangle, ImageAlign);
+                if (NativeMethods.IsRunningOnMono)
+                    e.Graphics.DrawImage(Image, imageBounds.Location);
+                else
+                    rectangle.X -= imageBounds.X;
+                rectangle.X += imageBounds.Width;
+            }
+
+            TextRenderer.DrawText(e.Graphics, Text, Font, rectangle, LinkColor);
+        }
     }
 }