The "Open Setup log" button isn't working

[RareScrap]

Squirrel version(s)
2.0.1

Description
The "Open Setup log" button doesn't open the log in any text editor

Steps to recreate

1. Trigger the installation error dialog (foe example, run two installers semitaniously)
2. Press the "Open Setup log" button on the error dialog

Expected behavior
Opens default app associated with the type of log file

Actual behavior
Nothing happens

Additional information
Confirmed for Electron-based app installers created with the MakerSquirrel of Electron Forge