Bugfix RiskLevel Repository, Small adjustments (#291)

* fixes repository refresh of successful last risk level calculation after app reset

* adaptive launch icons

* Revert "adaptive launch icons"

This reverts commit 5f8d9bcb0668680d27cb2f2b3e42f993804829eb.

* default dialog button text color added

* small fixes, todos removed when applicable

* fixed phone number string

* added link to exposure settings  from app reset

* resolved build issue