fix: Pass bold_series to ds_bold_native_wf

Author: effigies

fmriprep/workflows/bold/base.py

@@ -314,7 +314,7 @@ def init_bold_wf(
 
     if boldref_out or echos_out:
         ds_bold_native_wf = init_ds_bold_native_wf(
-            source_file=bold_file,
+            source_file=bold_series,
             bids_root=str(config.execution.bids_dir),
             output_dir=fmriprep_dir,
             bold_output=boldref_out,