- remove old popup and related components/adaptors
- simplify the API of the Sign/Approve modals to take pre-formatted
amounts as strings
- correct login/auth icon
- SB: make it possible to open the new secondary modals
- SB: fix the `fetchSuggestedRoutes` response handling, pass around the
`uuid` and inject it to the mocked suggested routes
- adjust SB pages and tests
Fixes#15443