* submission error dialog

* submission_error_dialog_german_strings_added

* submission error dialog unit test added

* pipeline related changes

* code review changes

* integration test added for No diagnosisKey available:

Test added for No Diagnosis key available

* No submission keys error sliently handled

* silently handled no key error submission

1. Removed  unceccesary strings
2. redirection to SubmissionDoneFragment when there are no keys available
3. removed navigation action for SubmissionResultPositiveOtherWarningFragment to MainFragment

* code ruse and test case removed at it was not needed

* removed unused import

* comment adjusted

Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>
Co-authored-by: Philipp Woessner <64482866+pwoessner@users.noreply.github.com>