TF-886 Implement GetAuthenticationInfo stored in repository and datasource

lib/features/email/domain/usecases/download_attachment_for_web_interactor.dart

@@ -46,10 +46,7 @@ class DownloadAttachmentForWebInteractor {
         if (currentAccount.authenticationType == AuthenticationType.oidc)
           _authenticationOIDCRepository.getStoredTokenOIDC(currentAccount.id)
         else
-          ...[
-            credentialRepository.getUserName(),
-            credentialRepository.getPassword()
-          ]
+          credentialRepository.getAuthenticationInfoStored()
       ], eagerError: true).then((List responses) async {
         AccountRequest accountRequest;
 

lib/features/email/domain/usecases/download_attachments_interactor.dart

@@ -40,10 +40,7 @@ class DownloadAttachmentsInteractor {
         if (account.authenticationType == AuthenticationType.oidc)
           _authenticationOIDCRepository.getStoredTokenOIDC(account.id)
         else
-          ...[
-            credentialRepository.getUserName(),
-            credentialRepository.getPassword()
-          ]
+          credentialRepository.getAuthenticationInfoStored()
       ], eagerError: true
       ).then((List responses) async {
         AccountRequest accountRequest;

lib/features/email/domain/usecases/export_attachment_interactor.dart

@@ -39,10 +39,7 @@ class ExportAttachmentInteractor {
           if (account.authenticationType == AuthenticationType.oidc)
             _authenticationOIDCRepository.getStoredTokenOIDC(account.id)
           else
-           ...[
-             credentialRepository.getUserName(),
-             credentialRepository.getPassword()
-            ]
+            credentialRepository.getAuthenticationInfoStored()
         ], eagerError: true
       ).then((List responses) async {
         AccountRequest accountRequest;