More precisely: when not all setup is complete, and so there's long and thus on most devices scrollable content in the launcher screen, and user scrolls down, then fixes the intent receiver situation, then returns to the launcher screen, the setup cards disappear, scrolling is not necessary anymore and the top bar stays disappeard and won't come back (because there's no scrolling anymore).
More precisely: when not all setup is complete, and so there's long and thus on most devices scrollable content in the launcher screen, and user scrolls down, then fixes the intent receiver situation, then returns to the launcher screen, the setup cards disappear, scrolling is not necessary anymore and the top bar stays disappeard and won't come back (because there's no scrolling anymore).
Not so anymore.