bug3964: computing avg SOG and ride height for entire race when race is finished

Change-Id: I982325e724f891e88ed1a6297c18d8a71f38d1b8

java/com.sap.sailing.server/src/com/sap/sailing/server/masterdata/DummyTrackedRace.java

@@ -656,4 +656,9 @@ public class DummyTrackedRace extends TrackedRaceWithWindEssentials {
     public Iterable<RaceLog> getAttachedRaceLogs() {
         return Collections.emptySet();
     }
+
+    @Override
+    public Double getAverageRideHeight(Competitor competitor, TimePoint timePoint) {
+        return null;
+    }
 }