sequential injection set up and removal code malfunctioning

experiments/bulk_running_experiments.ipynb

...ier/conflict_vehicle_injection_and_occlusion_injection.py

...builder/scenario_modifier/occlusion_injection_modifier.py

.../sequential_conflict_with_occlusion_injection_modifier.py

nuplan/planning/script/builders/scenario_modifier_builder.py

nuplan/planning/script/builders/simulation_builder.py

nuplan/planning/simulation/observation/ml_planner_agents.py

nuplan/planning/simulation/simulation.py