GEN-2689: Tiers confirmation screen

[juliaendre]

[GEN-2689]

Add summary/confirmation screen to tier flow Figma Refactor to be able to reuse moving flow

Checklist

• [ ] Dark/light mode verification
• [ ] Landscape verification
• [ ] iPad verification
• [ ] iPod/iPhone 12 mini/iPhone SE verification

[notion-workspace[bot]]

iOS: Confirmation screen