In this PR: - take feedbacks from: https://github.com/twentyhq/twenty/pull/6530 / https://github.com/twentyhq/twenty/pull/6529 / https://github.com/twentyhq/twenty/pull/6526 / https://github.com/twentyhq/twenty/pull/6512 - refactor onboarding uservars to be absent when the user is fully onboarded: isStepComplete ==> isStepIncomplete - introduce a new workspace.activationStatus: CREATION_ONGOING I'm retesting the whole flow: - with/without BILLING - sign in with/without SSO - sign up with/without SSO - another workspaceMembers join the team - subscriptionCanceled - access to billingPortal