WHAT:
yellow low balance banner removed from billing page for no paywall users
WHY:
better user experience for no paywall users
Change-Id: I1c254d7696e166073c66a6fbb82c134903cbc920
WHAT:
modal with saving API key confirmation implemented for onboarding tour
WHY:
ensure user saved API key
Change-Id: I9bc000cf5a19a9d6fc9eb3a4bfb9156d6b4bc78f