[scanbase] fix typo on subsampling

4 jobs for add_intensity_normalization in 9 minutes and 1 second (queued for 4 seconds)
Status Name Job ID Coverage
  Build
passed check_style #246692

00:00:14

 
  Test
passed test:python3.7_stretch_pyqt5 #246693

00:05:46

81.0%
passed test:python3.9_stretch_pyqt5 #246694

00:05:54

81.0%
passed test:test-tomoscan-tutorials #246695

00:04:53