Apply suggestions from code review

Co-authored-by: Jenn Magder <[email protected]>

Author: Chris Yang

testing/scenario_app/lib/src/platform_view.dart

@@ -598,7 +598,7 @@ class PlatformViewClipRectAfterMovedScenario extends Scenario with _BasePlatform
       ..pushClipRect(const Rect.fromLTRB(100, 100, 400, 400));
 
     addPlatformView(
-      _numberOfFrames == 10? 10000:id,
+      _numberOfFrames == 10 ? 10000 :id,
       dispatcher: dispatcher,
       sceneBuilder: builder,
     );
@@ -620,7 +620,7 @@ class PlatformViewClipRectAfterMovedScenario extends Scenario with _BasePlatform
   @override
   void onDrawFrame() {
     if (_numberOfFrames < 10) {
-      _numberOfFrames ++;
+      _numberOfFrames++;
       _y -= 10;
       window.scheduleFrame();
     }