You can place cusions on the nether roof

When you get on the nether roof for exaple you can place 6 layers of snow and a cushions and then siting on it you are on and can’t get down.When you try to place anything it gives you a message that you can’t do that on the nether roof or something. But then if you try placing cusions you can.Eexept making that you can’t place cushins PLEASE make that you can place everything there like in java edition.Thank you for reading