"Desktop guide" document fails to load

### Bug Description

I opened the "Desktop guide" document under "Getting started", and it gave me this error:
"
msg: Document:document
"

### How to Reproduce

Open the "Desktop guide" document under "Getting started"

### Expected Behavior

The document loads

### Operating System

Fedora Kinoite 44

### AppFlowy Version(s)

Flatpak 0.13.0

### Screenshots

### Additional Context

It happens only with the "Desktop guide" document and nothing else!