[PWGEM/Dilepton] add possibility to apply MB to norm info

[dsekihat]

[PWGEM/Dilepton] add possibility to apply MB to norm info

[github-actions]

O2 linter results: ❌ 2 errors, ⚠️ 25 warnings, 🔕 0 disabled

[alibuild]

Auto-approving on behalf of @dsekihat.

[alibuild]

Error while checking build/O2Physics/code-check for 1d24f64 at 2026-07-13 14:02:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 5 errors and 0 warnings.'
Found 5 errors and 0 warnings.
++ [[ 5 -gt 0 ]]
++ cat /sw/BUILD/ad76c91dc213bcc20307670974007484c1fd4bc0/O2Physics-code-check/errors.txt
PWGEM/Dilepton/TableProducer/createEMEventDilepton.cxx:113:3: error: use '= default' to define a trivial destructor [modernize-use-equals-default,-warnings-as-errors]
PWGEM/Dilepton/TableProducer/createEMEventDilepton.cxx:142:9: error: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto,-warnings-as-errors]
PWGEM/Dilepton/TableProducer/createEMEventDilepton.cxx:150:57: error: repeated branch body in conditional chain [bugprone-branch-clone,-warnings-as-errors]
PWGEM/Dilepton/TableProducer/createEMEventDilepton.cxx:174:11: error: do not use 'else' after 'continue' [readability-else-after-return,-warnings-as-errors]
PWGEM/Dilepton/TableProducer/createEMEventDilepton.cxx:191:55: error: repeated branch body in conditional chain [bugprone-branch-clone,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 5 -gt 0 ]]
++ exit 1
--

Full log here.