Bug/Issue Enemy rangers can shoot through walls

Edit: to clarify, they were able to shoot through the wall while the door was still up

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I guess this might not be a bug, but it felt wrong from a gameplay point of view

Nintendo Switch, Act 2 side 1

Triggered the final fight by opening the room then sent some soldiers back to the first door (near the start of the level) and enemy rangers were able to shoot through the wall even though the second door hadn't been broken down.

Thanks!