Connect Qr-Code Screen to Organizer Flow (EXPOSUREAPP-5971) (#2716)

* added database connection

* added click listener to qr code list

* connected screens

* linting

* removed default values

* updated params handover

* removed obsolete button

* added dynamic duration

* updated strings

* linting

* refactoring

* linting

* updated date formatter

* removed unused dependency in nav graph

* changed nav_graph namin

* updated navArgs

* connected qr code screen to nav_graph

* aligned database connection

* removed fragments from test nav graph

* updated event test fragment

* updated naming

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