[PWGDQ] Add and change code for energy correlator analysis

[YazhenLin]

No description provided.

[github-actions]

O2 linter results: ❌ 376 errors, ⚠️ 678 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/o2 for 283c52a at 2026-01-19 17:59:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/14546-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency_withAssoc_direct.cxx:2794:81: error: no match for 'operator%' (operand types are 'int64_t' {aka 'long int'} and 'o2::framework::Configurable<float>')
/sw/SOURCES/O2Physics/14546-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency_withAssoc_direct.cxx:2989:81: error: no match for 'operator%' (operand types are 'int64_t' {aka 'long int'} and 'o2::framework::Configurable<float>')
ninja: build stopped: subcommand failed.

Full log here.