Changed to newton solver per default in roadrunner steady state. Allow more steady state presimulation

Author: PaulJonasJost

pypesto/objective/roadrunner/roadrunner_calculator.py

@@ -205,10 +205,17 @@ def simulate_per_condition(
                 parameter_mapping_per_condition,
                 preeq=True,
             )
+            roadrunner_instance.setSteadyStateSolver("newton")
             # allow simulation to reach steady state
             roadrunner_instance.getSteadyStateSolver().setValue(
                 "allow_presimulation", True
             )
+            roadrunner_instance.getSteadyStateSolver().setValue(
+                "presimulation_maximum_steps", 1000
+            )
+            roadrunner_instance.getSteadyStateSolver().setValue(
+                "presimulation_time", 1000
+            )
             # steady state output = observables + state variables
             steady_state_selections = observables_ids + state_variables
             roadrunner_instance.steadyStateSelections = steady_state_selections