Fixed exporting extra tables for endpoint db/backup

refs #8719

- initial commit: 40c8eac
- we have forgotten that there is another endpoint which triggers an export (the backup endpoint)
- this endpoint needs to accept the new `include` query param as well (was missing)

core/server/api/db.js

@@ -36,6 +36,7 @@ db = {
         }
 
         tasks = [
+            localUtils.convertOptions(exporter.EXCLUDED_TABLES, null, {forModel: false}),
             backupDatabase,
             jsonResponse
         ];

core/server/data/export/index.js

@@ -28,7 +28,7 @@ exportFileName = function exportFileName(options) {
         return Promise.resolve(options.filename + '.json');
     }
 
-    return models.Settings.findOne({key: 'title'}, _.merge({}, modelOptions, options)).then(function (result) {
+    return models.Settings.findOne({key: 'title'}, _.merge({}, modelOptions, _.pick(options, 'transacting'))).then(function (result) {
         if (result) {
             title = security.string.safe(result.get('value')) + '.';
         }