[PWGDQ] Add geometry loading to dilepton-track task

[kaareendrup]

This PR fixes the same issue as #11478 but for the efficiency task.

A check is added for the geometry similar to the one in AnalysisSameEventPairing tasks, along with the required configurables.

[github-actions]

O2 linter results: ❌ 103 errors, ⚠️ 0 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/o2 for 32e0959 at 2025-07-31 16:16:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1084:9: error: expected primary-expression before '->' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1085:9: error: expected primary-expression before '->' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1086:9: error: expected primary-expression before '->' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1092:13: error: expected primary-expression before '->' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1092:30: error: expected primary-expression before '>' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1095:7: error: 'lut' was not declared in this scope
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1095:62: error: expected primary-expression before '->' token
/sw/SOURCES/O2Physics/12355-slc9_x86-64/0/PWGDQ/Tasks/dqEfficiency.cxx:1095:92: error: expected primary-expression before '>' token
ninja: build stopped: subcommand failed.

Full log here.