- Support a null "subfolder_name" argument in keeping with the rest of BLI_appdir functions. - Use "test_path" utility to de-duplicate path joinging & checks, this also means the paths will be logged. - De-duplicate loop body for the last item.
- Support a null "subfolder_name" argument in keeping with the rest of BLI_appdir functions. - Use "test_path" utility to de-duplicate path joinging & checks, this also means the paths will be logged. - De-duplicate loop body for the last item.