TCT: Updated references for the data Run2 reprocessing tests

This MR updates the references for the data Run2 reprocessing tests. Also the names of these tests is updated.

Tagging @rmazini

Tools/Tier0ChainTests/test/test_data15_Run2Reprocessing.sh

@@ -38,7 +38,7 @@ echo  "art-result: ${rc2} Comparison with the latest result"
 rc3=-9999
 if [ ${rc1} -eq 0 ]
 then
-  art.py compare ref . /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/Tier0ChainTests/TrfTestsART_22.0-mc20/test_trf_data15_mt_2021-12-04T2101 --entries 30 --mode=semi-detailed --order-trees --ignore-exit-code diff-pool
+  art.py compare ref . /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/Tier0ChainTests/TCT_Run2Reprocessing_references_for_comparison/test_data15_2021-12-09T2101 --entries 30 --mode=semi-detailed --order-trees --ignore-exit-code diff-pool
   rc3=$?
 fi
 echo  "art-result: ${rc3} Comparison with fixed reference"