Fix backup file download

src/_services/network.service.js

@@ -93,9 +93,8 @@ function retrieveBackupPackage(userId, networkId, code, password, backupId, mess
     return fetch(
             `${config.apiUrl}/users/${userId}/networks/${networkId}/actions/keys/${code}/backups/${backupId}/download`,
             util.postWithAuth({ name: 'password', value: password })
-        ).then(util.handleCrudResponse(messages, errors))
-         .then(netKeyObj => netKeyObj.data)
-         .then(util.handleDataToDownloadAsFile('restore.' + networkId + '.key', 'text/plain'));
+    ).then(r => r.text())
+     .then(util.handleDataToDownloadAsFile('backup.' + networkId + '.zip.cpt', 'application/octet-stream'));
 }
 
 function getNetworkBackups(userId, networkId, messages, errors) {