app/main: get name from property
app/main: get name from property

This fixes a deprecation notice from Electron.

salomvary/soundcleod,fr34k8/soundcleod,salomvary/soundcleod,fr34k8/soundcleod,fr34k8/soundcleod,fr34k8/soundcleod,salomvary/soundcleod,salomvary/soundcleod