Country list on Risiko-Ermittlung AFTER WLAN ON (EXPOSUREAPP-3152) (#1372)

* make use of isNetworkEnabled instead

* indentation fix

* Update InteroperabilityConfigurationFragment.kt

* Combined original solution with new enhancement

* lint issues

* Added onResume that reregisters the callback after settings are changed via button

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