Bug: Fix StochasticFlight time_overshoot None bug (#805)

* BUG: fix parachute bug by setting time_overshoot to base flight when it is None

* MNT: update changelog

Author: Lucas-Prates

CHANGELOG.md

@@ -32,6 +32,7 @@ Attention: The newest changes should be on top -->
 
 ### Added
 
+- BUG: Fix StochasticFlight time_overshoot None bug [#805] (https://github.com/RocketPy-Team/RocketPy/pull/805)
 - ENH: Implement Multivariate Rejection Sampling (MRS) [#738] (https://github.com/RocketPy-Team/RocketPy/pull/738) 
 - ENH: Create a rocketpy file to store flight simulations [#800](https://github.com/RocketPy-Team/RocketPy/pull/800)
 - ENH: Support for the RSE file format has been added to the library [#798](https://github.com/RocketPy-Team/RocketPy/pull/798)

rocketpy/stochastic/stochastic_flight.py

@@ -87,7 +87,10 @@ def __init__(
 
         self.initial_solution = initial_solution
         self.terminate_on_apogee = terminate_on_apogee
-        self.time_overshoot = time_overshoot
+        if time_overshoot is None:
+            self.time_overshoot = flight.time_overshoot
+        else:
+            self.time_overshoot = time_overshoot
 
     def _validate_initial_solution(self, initial_solution):
         if initial_solution is not None: