erp5_officejs_drone_simulator: fix timeout
- Fix timeout feature and
Dateclass was broken by 2f7689d1 . - Add timeout feature and
Dateclass tests. - Regroup command constraints under
_callSetTargetCommandfunction. - Implement parachute landing (rather than progressively descending)
- Add a loop interval parameter (constraint on how often telemetry is published and
onUpdateloop is executed) - Allow drones initial speed to be zero
- Limit conflicts with variable names when user code is evaluated