Include business problem in actionable insight template

What does this MR do and why?

As part of the user journey mapping working group, we have identified a need to translate insights into actionable business opportunities. This MR add business problem, hypothesis, and user journey information to existing actionable insights templates.

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related issue !198444 (merged)