No more than two books can exist in the library at the same time

[Youpen-y]

Describe the bug
After opening the third book, and back to the library, the third book will replace the first book with the first book's image. (the first is meaning that the first place in the bookcase)

To Reproduce

1. Go to 'library interface'
2. Click on '+' (open two books and back to library) and then open the third or more
3. Back to library interface
4. The third book replace the first book's position but with a wrong book image.

Expected behavior
Opened books will present in the library with a correct image and order.

Version:

• Foliate version: 3.2.1
• OS/Distribution and version: Ubuntu 24.04
• Desktop environment: GNOME Shell 46.0
• Installation method: Building and Installing from Source

Additional context
Nothing