After Book and Quill is signed and closed, it reverts to an empty book

Updated Verification Builds:

Java Snapshot 24w35a  | Windows: YES

Verification Builds:

*pss-attestation-reasons-build-25636574 - Java | Win10: Yes{+}
{+}*

Repro Steps:

1. Install and Launch the build.
2. Create or use already existing Realm.
3. Enter Realm.
4. Give yourself Book and Quill.
5. Type something in Book and Quill.
6. Sign the book.
7. Open the book.
8. Observe the issue.

Observed Results:{}

After Book and Quill is signed and closed, it reverts to an empty book. After signing a book, text from inside it disappears.

Expected Results:

Book and Quill should save written text after signing a book.  

User impact:

User cannot create content in books.