Removed debug code.

Added [GenerateEnumExtensionMethods] to DimAutoStyle.
Reordered DimAutoStyle.

Terminal.Gui/Text/TextFormatter.cs

@@ -1,5 +1,3 @@
-using System.Diagnostics;
-
 namespace Terminal.Gui;
 
 /// <summary>
@@ -200,8 +198,6 @@ public class TextFormatter
             {
                 _size = EnableNeedsFormat (value);
             }
-            Debug.Assert (Size.Width >= 0);
-            Debug.Assert (Size.Height >= 0);
         }
     }