feat: add scrollsToTop for scrollable views only for iOS

doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m

@@ -298,6 +298,8 @@ - (void)blendView:(UICollectionView *)view forPropName:(NSString *)name propValu
         self.view.scrollEnabled = [prop boolValue];
     } else if ([@"bounces" isEqualToString:name]) {
         self.view.bounces = [prop boolValue];
+    } else if ([@"scrollsToTop" isEqualToString:name]) {
+        self.view.scrollsToTop = [prop boolValue];
     } else if ([@"columnSpace" isEqualToString:name]) {
         self.columnSpace = [prop floatValue];
         [self.view.collectionViewLayout invalidateLayout];