Input/Output Folder buttons in the Auto(De)Packer settings do nothing

[przemo20]

Steps to reproduce

1. Launch TTG Tools
2. Click on the Auto(De)Packer button
3. Click on the Settings option in the Auto(De)Packer window
4. Click on the Input Folder button

Actual behavior

Nothing happens.

Expected behavior

A window should pop up asking you to select a folder, just like when you click on the Input Folder button from the main Settings window.
The one you get to by clicking on the Settings button on the TTG Tools main screen: