[Bug] Markdown export doesn't work on snap

### Bug Description

I've downloaded AppFlowy through Snapcraft, and I'm unable to export documents. Currently, I'm using Ubuntu on a Windows virtual machine.

I encounter no problems with exports on the Windows.
Additionally, I attempted to install AppFlowy using the .deb package (version 0.5.3 and 0.5.0), and the export worked without any issues.

Furthermore, while writing this issue, I attempted to use the open data directory feature, to see if I could get any useful logs and noticed that the file manager doesn't appear as well.

### How to Reproduce


### Expected Behavior

I expect the file manager to ask me where I wanna save my file.

### Operating System

Ubuntu 22.04.4 LTS

### AppFlowy Version(s)

0.5.0

### Screenshots

_No response_

### Additional Context

_No response_