Introduce onboarding status facade pattern

What does this MR do and why?

Introduce onboarding status facade pattern

• centralization of code and general refactor.

this is the introduction of it and the MVC breakout from the much larger concept in !122532 (merged)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #417609 (closed)