Description

• Can you reproduce the issue?

Steps to reproduce

1. Open any folder
2. Create new files in opened folder, for example html or pdf files.
3. You can see the created html, pdf files shown in sidebar.

Expected behavior:

Side bar only show markdown file.

Actual behavior:

Sidebar show other type files other than markdown file.

Link to an example: [optional]

Versions

• Mark Text: develop
• Operating system: all