[PWGCF] Add PID QA and MCprocess for efficiency

[fuchuncui]

Add batter PID check and QA,
Add run by run NUA output,
Add MCprocess for NUE correction. (by Qiuyu Xia, https://github.com/huinaibing)
Fix a bug in V0s and cascades ITS PID selection.

[github-actions]

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

[alibuild]

Error while checking build/O2Physics/o2 for 70f464a at 2025-12-17 10:55:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:288:19: error: narrowing conversion of '((PidFlowPtCorr*)this)->PidFlowPtCorr::cfgNumberOfRuns.o2::framework::Configurable<int>::o2::framework::ConfigurablePolicyConst<int, o2::framework::kGeneric>.o2::framework::ConfigurablePolicyConst<int, o2::framework::kGeneric>::operator int()' from 'int' to 'double' [-Werror=narrowing]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:290:29: error: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Werror=sign-compare]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:798:26: error: unused variable 'itsResponse' [-Werror=unused-variable]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:1060:43: error: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Werror=sign-compare]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:1036:26: error: unused variable 'itsResponse' [-Werror=unused-variable]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:1038:11: error: unused variable 'nMultTPC' [-Werror=unused-variable]
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:1103:11: error: unused variable 'nMultTPC' [-Werror=unused-variable]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/o2 for 40592ce at 2025-12-17 12:51:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/14253-slc9_x86-64/0/PWGCF/Flow/Tasks/pidFlowPtCorr.cxx:288:19: error: narrowing conversion of '((PidFlowPtCorr*)this)->PidFlowPtCorr::cfgNumberOfRuns.o2::framework::Configurable<double>::o2::framework::ConfigurablePolicyConst<double, o2::framework::kGeneric>.o2::framework::ConfigurablePolicyConst<double, o2::framework::kGeneric>::operator double()' from 'double' to 'int' [-Werror=narrowing]
ninja: build stopped: subcommand failed.

Full log here.

[vkucera]

@fuchuncui You are supposed to test the compilation before making the PR.

[vkucera]

Follow naming conventions

[vkucera]

Don't take by value.

[fuchuncui]

Thanks for your comment.

[victor-gonzalez]

@fuchuncui, @vkucera is right
If the track is passed by value, as it is now, a full copy of the complete track is passed to the function which is a waste of resources.
It has to be passed by reference, isPion(TrackObject const &track), so that only the reference to the track is then passed to the function