Player spawns inside Obsidian platform when use End Portal after throwing many boats through first.

If you put about 6 boats in an endportal and go inside the portal you spawn in the obsidian of the spawn platform and suffocate.

Steps to Reproduce

1. Throw at least 6 boats into End Portal
2. Jump into portal

Observed Result
Player appears inside Obsidian blocks and begins to suffocate

Expected Result
Player appears on platform as normal, possibly standing inside a boat.