[ENH] RUN check_fixup_scanstsv

[jungheejung]

Which module are you suggesting enhancements?

(Write your answer here: beh, datalad, fmriprep, mriqc, physio, qcplot, redcap)

Is your feature request related to a problem? Please describe:

(Write your answer here.)

What solution would you like to see?

(Write your answer here.)

Have you considered any other alternatives? If so, please describe:

(Write your answer here.)

Additional context

(Write your answer here.)

[jungheejung]

datalad code/fixup_empty_cell_tsv