addressed comments

Author: alanwutang11

lib/web_ui/lib/src/engine/canvaskit/canvas.dart

@@ -293,12 +293,10 @@ class CkCanvas {
       [CkPaint? paint]) {
         final CkManagedSkImageFilterConvertible convertible;
         if (filter is ui.ColorFilter) {
-          convertible =
-          (filter as EngineColorFilter).toRendererColorFilter() as CkManagedSkImageFilterConvertible;
+          convertible = (filter as EngineColorFilter).toRendererColorFilter() as CkManagedSkImageFilterConvertible;
         }
         else {
-          convertible =
-          filter as CkManagedSkImageFilterConvertible;
+          convertible = filter as CkManagedSkImageFilterConvertible;
         }
     return skCanvas.saveLayer(
       paint?.skiaObject,

lib/web_ui/lib/src/engine/canvaskit/color_filter.dart

@@ -73,8 +73,8 @@ abstract class CkColorFilter
   ManagedSkiaObject<SkImageFilter> get imageFilter =>
       CkColorFilterImageFilter(colorFilter: this);
 
-  /// Convert the CkColorFilter back into a ui.ColorFilter
-  /// Used in [CkPaint]
+  /// Convert the CkColorFilter back into a ui.ColorFilter.
+  /// Used in [CkPaint].
   final ui.ColorFilter creator;
 }