L1 bugfix: triplet slopes were stored incorrectly

Instead of Tx, sqrt(fabs(Tx)) was stored in L1Triplet. This bugfix doesn't change the efficiencies for some reason.

The MR fixes https://redmine.cbm.gsi.de/issues/2191

added BugFix label

Dear @se.gorbunov, @v.akishina,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

Slopes are only used for mCBM, that is why no efficiency change for the full CBM case. Will check it for mCBM.

approved this merge request

added 3 commits

• 18633710...e42da2cc - 2 commits from branch computing:master
• 05ef9178 - L1 bugfix: triplet slopes were stored incorrectly

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enabled an automatic merge when the pipeline for 05ef9178 succeeds

merged