Improve error message for invalid surface size (#20591)

src/Skia/Avalonia.Skia/FramebufferRenderTarget.cs

@@ -125,6 +125,14 @@ namespace Avalonia.Skia
             
             _currentFramebufferAddress = framebuffer.Address;
 
+            // A surface with a width/height of 0 is invalid and can't be created
+            if (desiredImageInfo.Width <= 0 || desiredImageInfo.Height <= 0)
+            {
+                throw new ArgumentException(
+                    $"Unable to create a surface with size {desiredImageInfo.Width}x{desiredImageInfo.Height}",
+                    nameof(desiredImageInfo));
+            }
+
             var surface = SKSurface.Create(desiredImageInfo, _currentFramebufferAddress, 
                 framebuffer.RowBytes, new SKSurfaceProperties(SKPixelGeometry.RgbHorizontal));