[PWGLF] Extend histograms with subsample dimension; random subsample …

[alcaliva]

…selection

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 9 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/o2 for 18d88f7 at 2025-11-23 11:19:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/13927-slc9_x86-64/0/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx:945:22: error: no matching function for call to 'o2::framework::HistogramRegistry::fill(ConstStr<'s', 'e', 't', 't', 'i', 'n', 'g', 'D', 'a', 't', 'a'>, o2::framework::Configurable<double>&, o2::framework::Configurable<double>&)'
/sw/SOURCES/O2Physics/13927-slc9_x86-64/0/PWGLF/Tasks/Nuspex/antinucleiInJets.cxx:1974:22: error: no matching function for call to 'o2::framework::HistogramRegistry::fill(ConstStr<'s', 'e', 't', 't', 'i', 'n', 'g', 'M', 'C'>, o2::framework::Configurable<double>&, o2::framework::Configurable<double>&)'
ninja: build stopped: subcommand failed.

Full log here.