give roiWord to output of L2MuonSA

Yohei Yamaguchirequested to merge
yoyamagu/athena:atr-22245-2 into master

roiWord is added to output of L2MuonSA to fix the issue on ATR-22245. Complement the !37758 (merged).

tagging @sshaw , @nakahama and @cdiez

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