Fixed Sirens do not change travel time

Ingame Nick: athenakazuo
Affected world(s): sandbox 19
Browser: google chrome
Reproduction steps:
  1. . pick ls and sirens to send
  2. . attack
  3. . look at time it lands and compare to time it was suppose to land
Detailed error description (What you see):

How it should be: Should land closer to the predicted time+/- anti timer