fixed isLive calculation in case of tracked race without GPS data

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/dispatch/event/RaceContext.java

@@ -252,7 +252,7 @@ public class RaceContext {
     private boolean isLiveOrOfPublicInterest(TimePoint startTime, TimePoint finishTime) {
         boolean result = false;
         if(startTime != null && raceLog != null) {
-            if(trackedRace != null) {
+            if(trackedRace != null && trackedRace.hasGPSData() && trackedRace.hasWindData()) {
                 result = trackedRace.isLive(now);
             } else {
                 // no data from tracking but maybe a manual setting of the start and finish time