Easy self-onboarding has been hardest to get right in complex business
apps, even though we have worked on this for long long time we have no
clear idea on how well it works, or if it's severly lacking.
We want to improve this by first understanding how efficient current
system is.
This PR adds basic telemetry for which steps are being completed, which
are skipped and what onboarding group is dismissed completely.
cbbb6a7d85