Fix: pass working file to workflows, pickle file bytes (#8741)

src/documents/consumer.py

@@ -557,6 +557,9 @@ class ConsumerPlugin(
                     document=document,
                     logging_group=self.logging_group,
                     classifier=classifier,
+                    original_file=self.unmodified_original
+                    if self.unmodified_original
+                    else self.working_copy,
                 )
 
                 # After everything is in the database, copy the files into