Cheers @mjfro2
The bug you found is actually that the structure tab copy commands DO prefix with "admincheat". I intentionally removed it from the player tab and should have also done so with the structure tab to make it easier for people to choose which prefix they wanted. @Norlinri has her server setup so that users can use chat commands - which use the "cheat" prefix and have no access to "admincheat" commands.
I will add an option into the settings for the next release to allow people to choose a prefix for copy commands: