[DPG] Update detectorOccupancyQa.cxx - fix PID column bug on the fly

[altsybee]

No description provided.

[alibuild]

Error while checking build/O2Physics/o2 for e5d993c at 2025-03-27 19:54:

## sw/BUILD/ONNXRuntime-latest/log
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:613 (file):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:619 (math):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:620 (math):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:621 (math):

Full log here.

[alibuild]

Error while checking build/O2Physics/o2 for d1d42c8 at 2025-03-27 22:20:

## sw/BUILD/ONNXRuntime-latest/log
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:613 (file):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:619 (math):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:620 (math):
CMake Error at /sw/slc9_x86-64/CMake/v3.31.6-1/share/cmake-3.31/Modules/FindProtobuf.cmake:621 (math):

Full log here.

[alibuild]

Auto-approving on behalf of @altsybee.