Villager is both classes in Realm? ( Cave and Cliff Beta / difficulty: Normal)

Me and a few Friends have a Minecraft realm and as I was in the world I had went to check on my villagers to get mending due to a Zombie killing my last one. and when I had Breading to get a New villager I got a Different outcome from normal. I have no idea How this happened all I know is that it saw more then one Type of table. I know the villager still works but it's weird to see happen at all