fixed boat stuttering

src/main/java/eu/mhsl/minenet/minigames/instance/game/stateless/types/boatRace/BoatRace.java

@@ -25,6 +25,7 @@ public class BoatRace extends StatelessGame {
     protected boolean onPlayerJoin(Player p) {
         Entity boat = new Entity(EntityType.OAK_BOAT);
         boat.setInstance(this, this.getSpawn());
+        boat.setSynchronizationTicks(100000);
         MinecraftServer.getSchedulerManager().scheduleNextTick(() -> boat.addPassenger(p));
         return super.onPlayerJoin(p);
     }