The end obsidian platform resets every time players go through the end portal, which can cause blocks to be deleted

The end obsidian platform resets every time players go through the end portal, which can cause blocks to be deleted.

Steps to Reproduce:

1. Enter the end by using an end portal.
2. Place some blocks on top of and around the obsidian platform that you spawn on.
3. Take note of the blocks that you've just placed.
4. Back to the overworld.
5. Enter the end once again and attempt to locate the blocks you just previously placed.
6. Take note as to whether or not the end obsidian platform resets every time players go through the end portal, which can cause blocks to be deleted.

Observed Results:

The end obsidian platform resets every time players go through the end portal, which can cause blocks to be deleted.

Expected Results:

Blocks on the end obsidian platform would not be deleted every time an entity goes through the end portal. Blocks should be destroyed like Java edition.