Prefetch choice

Create several choices with different configurations: not open, closed, limit options, don't view results, view anonymous results, view full name in results, etc. In the app, check that choices that aren't opened yet or that are already closed cannot be prefetched. Prefetch several choices and check that you can access them in offline. Prefetch a choice with full name in results. Check that you can see the user avatars in offline and you can see their profile info if you click them.