Change the way hard splits are handled.

test/regression/0200/0221.unit

Index: test/regression/0200/0221.unit
diff --git a/test/regression/0200/0221.unit b/test/regression/0200/0221.unit
index 74cf12c21c6fa7379c02b7b164278cdad0b92bcd..ab5fb239b0ad70c57ed76ad60eb9a6d5191348e6 100644
--- a/test/regression/0200/0221.unit
+++ b/test/regression/0200/0221.unit
@@ -35,11 +35,13 @@ void _updateChart() {
 void _updateChart() {
   if (_model.settings != null) {
     _chart.update((ChartSettings.builder()
-      ..ids.addAll(_model.ids)
-      ..statusFilter = StatusFilter.ALL
-      ..dateRange = chartDates.toChartDateRange(_model.settings.dateRange.value)
-      ..segmentationDimension = _model.segmentation
-      ..context = ChartContext.empty).build());
+          ..ids.addAll(_model.ids)
+          ..statusFilter = StatusFilter.ALL
+          ..dateRange =
+              chartDates.toChartDateRange(_model.settings.dateRange.value)
+          ..segmentationDimension = _model.segmentation
+          ..context = ChartContext.empty)
+        .build());
   }
 }
 >>> (indent 2)