test_Digi_tf_mc20e_MP_presampling_reproducibility.sh fix RDOMerge_tf.py command (ATLASSIM-6586)
Fix RDOMerge_tf.py
command introduced into test_Digi_tf_mc20e_MP_presampling_reproducibility.sh
ART job as part of !63225 (merged).
Should fix ATLASSIM-6586.
NB This MR only affects an ART script, so will have no effect on the CI pipeline output.