Fire a realtime score notification at teleop start for Stage 1 activation.

field/arena.go

@@ -428,6 +428,9 @@ func (arena *Arena) Update() {
 			auto = false
 			enabled = true
 			sendDsPacket = true
+
+			// For 2020, the score calculation might change at this point without input due to Stage 1 activation.
+			arena.RealtimeScoreNotifier.Notify()
 		}
 	case TeleopPeriod:
 		auto = false