Reuse already present registration token (#145)

* use registration token passed to transaction

* remove unexpected space before :

Corona-Warn-App/src/main/java/de/rki/coronawarnapp/service/submission/SubmissionService.kt

@@ -47,10 +47,7 @@ object SubmissionService {
         deleteTeleTAN()
     }
 
-    suspend fun asyncRequestAuthCode(): String {
-        val registrationToken =
-            LocalData.registrationToken() ?: throw NoRegistrationTokenSetException()
-
+    suspend fun asyncRequestAuthCode(registrationToken: String): String {
         val authCode = WebRequestBuilder.asyncGetTan(TAN_REQUEST_URL, registrationToken)
         return authCode
     }

Corona-Warn-App/src/main/java/de/rki/coronawarnapp/transaction/SubmitDiagnosisKeysTransaction.kt

@@ -52,7 +52,7 @@ object SubmitDiagnosisKeysTransaction : Transaction() {
          * RETRIEVE TAN
          ****************************************************/
         val authCode = executeState(RETRIEVE_TAN) {
-            SubmissionService.asyncRequestAuthCode()
+            SubmissionService.asyncRequestAuthCode(registrationToken)
         }
         /****************************************************
          * RETRIEVE TEMPORARY EXPOSURE KEY HISTORY