Describe the bug

After adding media to a Story block, it removes all the blocks from the post.

To Reproduce
Steps to reproduce the behavior:

1. Add some blocks to a post.
2. Add a Story block.
3. Add a media item.
4. Tap on the right arrow button to continue.
5. Observe that the previous added blocks are removed.

Expected behavior
The Story block shouldn't remove or modify the blocks from the post.

Screenshots

Smartphone (please complete the following information):

• Device: iPhone 11
• OS: iOS 14.2
• Version 16.9

Additional context
I managed to reproduce this issue also in version 16.8.