fix: failsafe stop traversals (#305)

* fix: failsafe stop traversals

* fix: failsafe stop traversals

Author: sebhoerl

core/src/main/java/org/eqasim/core/tools/ExportStopTraversals.java

@@ -118,10 +118,10 @@ public void handleEvent(GenericEvent event) {
 			for (Departure departure : transitRoute.getDepartures().values()) {
 				double vehicleDepartureTime = departure.getDepartureTime() + accessOffset;
 
-				if (vehicleDepartureTime >= route.referenceTime) {
+				if (vehicleDepartureTime >= route.referenceTime || bestDeparture == null) {
 					double delta = vehicleDepartureTime - route.referenceTime;
 
-					if (delta < minimumDelta) {
+					if (delta < minimumDelta || (minimumDelta < 0.0 && delta >= 0.0)) {
 						minimumDelta = delta;
 						bestDeparture = departure;
 					}