[Bug] 'Show config files' button is not working (options)

[yafp]

TypeError: shell.openItem is not a function
    at IpcMainImpl.<anonymous> (/home/fidel/Dropbox/Temp/ttth/main.js:613:19)
    at IpcMainImpl.emit (events.js:315:20)
    at IpcMainImpl.EventEmitter.emit (domain.js:483:12)
    at Object.<anonymous> (electron/js2c/browser_init.js:157:9051)
    at Object.emit (events.js:315:20)
    at Object.EventEmitter.emit (domain.js:483:12)
    at Object.emitter.emit (/home/fidel/Dropbox/Temp/ttth/node_modules/@sentry/electron/dist/main/integrations/electron.js:66:25)

Most likely caused by the electron upgrade from 7 up to 11

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ttth 1.8.20210129
Electron 11.2.1
linux 5.10.10-arch1-1
Locale: de