MC-243590Ruined portals don't always spawn with the chest
Steps to Reproduce:
1. Create a world using the following seed: -3060529922983989191
2. Teleport to -464, 80, -464
3. There is a ruined portal, but doesn't generate a chest.
MC-243590MC-243590Steps to Reproduce:
1. Create a world using the following seed: -3060529922983989191
2. Teleport to -464, 80, -464
3. There is a ruined portal, but doesn't generate a chest.
