The wall has turned??

https://preview.redd.it/g3qg27xcqxzg1.png?width=1280&format=png&auto=webp&s=a2b84e49eb2cba10767f7367579480453e797756

I can interact with the wall like a normal wall itself, it has collision.

https://preview.redd.it/67o604yiqxzg1.png?width=1280&format=png&auto=webp&s=bc91d5a3342be6754343f96e5f03be5b77d5f4dc

So I don't think it's a "bug" of sorts.