Ruined portals can spawn in villages

Ruined portals spawn in villages, causing the village to overlap the ruined portal. Since ruined portals are like lava lakes, and water/lava lakes don't spawn in villages, it is expected for ruined portals to not spawn in villages.

To reproduce, use the seed 4505389494053008000 and run the following command:

/tp @p -1181 66 -1270