Recovered sails smoothing

- Boat default position is now overridden only by collision command
- Sails command overrides boat velocity

#story[1195]

racevisionGame/src/main/java/mock/model/MockRace.java

@@ -366,8 +366,8 @@ public class MockRace extends RaceState {
         //Checks if the current boat has finished the race or not.
         boolean finish = this.isLastLeg(boat.getCurrentLeg());
 
-        if (!finish && totalElapsedMilliseconds >= updatePeriodMilliseconds && boat.isVelocityDefault()) {
+        if (!finish && totalElapsedMilliseconds >= updatePeriodMilliseconds && !boat.isColliding()) {
-            setBoatSpeed(boat);
+            if(boat.isVelocityDefault()) setBoatSpeed(boat);
             //Calculates the distance travelled, in meters, in the current timeslice.
             double distanceTravelledMeters = boat.calculateMetersTravelled(updatePeriodMilliseconds) * this.scaleFactor;