normalize thumb path

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For running this unsigned version of the app, you will need to run the xattr command on it:

1. Extract the app from the downloaded .dmg file (double-click it)
2. Place the extracted app anywhere you like in your file system
3. Open a terminal on the directory where the app is
4. Run xattr -c app-name, replacing "app-name" for the actual name of the app
5. Double-click the app ✅