neon: Fix image background antialiasing

packages/neon/neon/lib/src/widgets/image_wrapper.dart

@@ -15,16 +15,19 @@ class NeonImageWrapper extends StatelessWidget {
   final BorderRadius? borderRadius;
 
   @override
-  Widget build(final BuildContext context) => SizedBox.fromSize(
-        size: size,
-        child: ClipRRect(
+  Widget build(final BuildContext context) => ClipRRect(
         borderRadius: borderRadius ?? BorderRadius.zero,
+        child: ColorFiltered(
+          colorFilter: ColorFilter.mode(color, BlendMode.dstATop),
+          child: SizedBox.fromSize(
+            size: size,
             child: ColoredBox(
-            color: color,
+              color: Colors.transparent,
               child: Center(
                 child: child,
               ),
             ),
           ),
+        ),
       );
 }