Enable software compositing while Night Light is on

ash/system/night_light/night_light_controller.cc

Index: ash/system/night_light/night_light_controller.cc
diff --git a/ash/system/night_light/night_light_controller.cc b/ash/system/night_light/night_light_controller.cc
index 3a28ba0807acf030742867b1ea86e2881a6f2629..90e3179f6d5a571c3caa709199c3be3db226fd29 100644
--- a/ash/system/night_light/night_light_controller.cc
+++ b/ash/system/night_light/night_light_controller.cc
@@ -115,6 +115,7 @@ void NightLightController::Refresh() {
   ApplyColorTemperatureToLayers(
       GetEnabled() ? GetColorTemperature() : 0.0f,
       base::TimeDelta::FromSeconds(kManualToggleAnimationDurationSec));
+  Shell::Get()->SetCursorCompositingEnabled(GetEnabled());
 }
 
 void NightLightController::StartWatchingPrefsChanges() {