.gitignore and other dot files don't show in file explorer preview pane

[hawkerm]

Microsoft PowerToys version

0.63.0

Installation method

PowerToys auto-update

Running as admin

No response

Area(s) with issue?

{"File Explorer"=>"Preview Pane"}

Steps to reproduce

1. Ensure the 'Source Code' preview option is on for File Explorer Pane
2. Go to a source code directory (like the PowerToys repo) in File Explorer
3. Click on a file like .gitignore or .editorconfig
4. See No preview available.

✔️ Expected Behavior

Expect to see dot files like .editorconfig, .vsconfig, .gitignore that are commonly found with source code repositories to be shown with the Monaco code preview pane.

❌ Actual Behavior

No preview available message shown instead.

Other Software

No response