Electron updater delete all non-app files/folders in the installation folder

[m-mohamedin]

• Electron-Builder Version: 24.9.1

• Node Version: 20

• Electron Version: 28.1.0
• Electron Type (current, beta, nightly): current

electron-updater: 6.1.7

• Target: Windows

When electron-updater updates an application installed in Windows in a custom location c:\my_app, any file/folders added to that custom location is also deleted.

Non-app files/folders should be kept as users can lost their data this way