Fix QR properties assignment

If this function launches another coroutine, any value assigned within this function will be null if accessed from outside before the coroutine completes, as the assignment process has not yet finished at the time of access.

android/quest/src/main/java/org/smartregister/fhircore/quest/ui/questionnaire/QuestionnaireViewModel.kt

@@ -705,11 +705,10 @@ constructor(
    * This function saves [QuestionnaireResponse] as draft if any of the [QuestionnaireResponse.item]
    * has an answer.
    */
-  fun saveDraftQuestionnaire(
+  suspend fun saveDraftQuestionnaire(
     questionnaireResponse: QuestionnaireResponse,
     questionnaireConfig: QuestionnaireConfig,
   ) {
-    viewModelScope.launch {
       val hasPages = questionnaireResponse.item.any { it.hasItem() }
       val questionnaireHasAnswer =
         questionnaireResponse.item.any {
@@ -741,7 +740,6 @@ constructor(
           resource = questionnaireResponse,
         )
       }
-    }
   }
 
   /**