[maskattack] Add original directory and extension to file attributes

bob/pad/face/database/maskattack.py

@@ -163,6 +163,10 @@ class MaskAttackPadDatabase(PadDatabase):
 
         files = self.db.objects(sets=groups, purposes=lowlevel_purposes, **kwargs)
         files = [MaskAttackPadFile(f) for f in files]
+        # set the attributes
+        for f in files:
+          f.original_directory = self.original_directory
+          f.original_extension = self.original_extension
 
         return files