How to switch between two Camera2Ds in different scenes

this is my bossfight camera switch linked to signal

Player enteret the fight scene scene

fight_scene_cam.make_current()
player_cam.clear_current()

End fight scene

fight_scene_cam.clear_current()
player_cam.make_current()

of course this is version 3.2.3 maybe diferent method in 4.x

and result is something like this