use offset.zero

Author: Chris Yang

testing/scenario_app/lib/src/platform_view.dart

@@ -677,7 +677,7 @@ class PlatformViewClipRectWithTransformScenario extends PlatformViewScenario {
       Paint()..color = const Color(0x22FF0000),
     );
     final Picture picture = recorder.endRecording();
-    builder.addPicture(const Offset(0, 0), picture);
+    builder.addPicture(Offset.zero, picture);
 
     finishBuilder(builder);
   }
@@ -724,7 +724,7 @@ class PlatformViewClipRRectWithTransformScenario extends PlatformViewScenario {
       Paint()..color = const Color(0x22FF0000),
     );
     final Picture picture = recorder.endRecording();
-    builder.addPicture(const Offset(0, 0), picture);
+    builder.addPicture(Offset.zero, picture);
 
     finishBuilder(builder);
   }
@@ -768,7 +768,7 @@ class PlatformViewClipPathWithTransformScenario extends PlatformViewScenario {
       Paint()..color = const Color(0x22FF0000),
     );
     final Picture picture = recorder.endRecording();
-    builder.addPicture(const Offset(0, 0), picture);
+    builder.addPicture(Offset.zero, picture);
 
     finishBuilder(builder);
   }