Refactor riskcard & states; Chapter1 (EXPOSUREAPP-4049, EXPOSUREAPP-3834) (#1751)

* Fix displayed details in tracing inactive states.

* Simplified UI states.
Replaced RiskLevel and RiskLevelConstants with RiskState { LOW; HIGH, FAILED }.

* Fix low risk card missing the encounters if there have been more than 0.

* Fix missing card divider/border on error cards in light mode.

* Fix merge regression.

* LINTs

* Fix progress card colors on white card background color.

* Fix progress card colors on white card background color.

* Don't allow negative active tracing days.

* Revert sync behavior (extra PR)

* Address PR comments.

Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>