Fix a bug that benchmark stopped too early

It would always stop at TIME_BALL_HAS_TO_LEAVE_CIRCLE time before

src/main/java/magma/tools/benchmark/model/bench/throwinchallenge/ThrowInBenchmarkReferee.java

@@ -148,7 +148,7 @@ protected boolean onDuringBenchmark()
 				return true;
 			}
 			// stop if the ball did not leave the circle for too long
-			if (time - startTime > TIME_BALL_HAS_TO_LEAVE_CIRCLE) {
+			if (ballNow.distance(ballInitial) < MAX_BALL_DISTANCE && time - startTime > TIME_BALL_HAS_TO_LEAVE_CIRCLE) {
 				return true;
 			}