Start simulator after params have been loaded and set

posix-configs/SITL/init/rc.fixed_wing

posix-configs/SITL/init/rcS_ekf2_jmavsim_iris

posix-configs/SITL/init/rcS_gazebo_iris

posix-configs/SITL/init/rcS_gazebo_iris_opt_flow

posix-configs/SITL/init/rcS_gazebo_plane

posix-configs/SITL/init/rcS_gazebo_standard_vtol

posix-configs/SITL/init/rcS_gazebo_tailsitter

posix-configs/SITL/init/rcS_jmavsim_iris

posix-configs/SITL/init/rcS_lpe_gazebo_iris

posix-configs/SITL/init/rcS_lpe_gazebo_iris_opt_flow

posix-configs/SITL/init/rcS_lpe_jmavsim_iris

posix-configs/SITL/init/rc_iris_ros