Sandbox had to be enabled in order to submit binary to App Store
Connect, therefore command line arguments cannot be used to tell
if the app was started by the launcher.
However, given that launcher starts app in hidden state, we can
safely assert that if the app is hidden on start, it was started
by the launcher.
See f33380b4e2
Also drop automatic signing on Mac bundle and unused utils.
04faf57d4c