[PWGCF] Add efficiency corrections and rename and redesign some features

[meiALICE]

Add full efficiency corrections.

Rename some variables.

Change some features and design.

Clean up codes.

[github-actions]

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

[alibuild]

Error while checking build/O2Physics/staging for 0f4a373 at 2026-09-24 19:38:

No log files found

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 0f4a373 at 2026-09-24 19:46:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 1 errors and 0 warnings.'
Found 1 errors and 0 warnings.
++ [[ 1 -gt 0 ]]
++ cat /sw/BUILD/e6538f1ad9f5cffc68578c4abeff51eaccc685c0/O2Physics-code-check/errors.txt
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:41:1: error: included header TParticlePDG.h is not used directly [misc-include-cleaner,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 1 -gt 0 ]]
++ exit 1
--

Full log here.

[alibuild]

Error while checking build/O2Physics/staging for c02e16d at 2026-09-24 20:07:

No log files found

Full log here.

[abilandz]

This compilation failure on macOS-arm has nothing to do with your code, let's ask @vkucera again how to proceed...

[vkucera]

This compilation failure on macOS-arm has nothing to do with your code, let's ask @vkucera again how to proceed...

The machine ran out of disk space. It should be fixed now.

[meiALICE]

This compilation failure on macOS-arm has nothing to do with your code, let's ask @vkucera again how to proceed...

The machine ran out of disk space. It should be fixed now.

Thank you for your reply! I will have another commit and push with some other changes shortly.