When you convert a world from the Xbox One Edition and you have cheats on and then you convert it to bedrock you will not have commands once you open it on Bedrock Edition you will not have access to commands but commands are enabled you have to copy your world maybe three to four times and if you get lucky you will have commands enabled and you'll see that/ in the chatbox how you duplicate this is open Xbox One Edition of Minecraft then convert your world to bedrock and have commands enabled or cheat enabled and once you open it on bedrock you'll not see the Slash in the checkbox.