Merge pull request #2446 from justin-lau/fix-import-file-path-order

Fixing default import template doesn't extract columns from the latest uploaded file.

modules/backend/models/ImportModel.php

@@ -195,6 +195,7 @@ abstract class ImportModel extends Model
         $file = $this
             ->import_file()
             ->withDeferred($sessionKey)
+            ->orderBy('id', 'desc')
             ->first()
         ;