Update the JTBD section based on recent UX Growth coverage changes

Why is this change being made?

This MR is related to !35996 (merged) and aligns the way we structure out JTBDs section with how we present our team (aligned to flows and experiences).

Does this MR meet the acceptance criteria?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what