possible fix dor WPF measure issue

Author: ArthurHub

Source/HtmlRenderer.WPF/HtmlLabel.cs

@@ -96,6 +96,9 @@ protected override Size MeasureOverride(Size constraint)
                 }
             }
 
+            if (double.IsPositiveInfinity(constraint.Width) || double.IsPositiveInfinity(constraint.Height))
+                constraint = Size.Empty;
+
             return constraint;
         }
 

Source/HtmlRenderer.WPF/HtmlPanel.cs

@@ -142,6 +142,9 @@ protected override Size MeasureOverride(Size constraint)
             if (relayout)
                 PerformHtmlLayout(constraint);
 
+            if (double.IsPositiveInfinity(constraint.Width) || double.IsPositiveInfinity(constraint.Height))
+                constraint = size;
+
             return constraint;
         }