[PWGLF] Modify K* task for mixed-event v2 extraction in kstarpbpb.cxx

[sarjeetagami]

No description provided.

[github-actions]

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

[vkucera]

@sarjeetagami Please fix the name of you repository. It's blocking the creation of the automatic formatting PR.

[alibuild]

Error while checking build/O2Physics/staging for 3df9ba9 at 2026-07-03 09:23:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGLF/Tasks/Resonances/kstarpbpb.cxx:779:12: error: unused variable 'centrality2' [-Werror=unused-variable]
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGLF/Tasks/Resonances/kstarpbpb.cxx:1009:22: error: variable 'eventplaneVecRec' set but not used [-Werror=unused-but-set-variable]
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGLF/Tasks/Resonances/kstarpbpb.cxx:1076:18: error: variable 'eventplaneVecGen' set but not used [-Werror=unused-but-set-variable]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 3df9ba9 at 2026-07-03 09:26:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 10 errors and 7 warnings.'
Found 10 errors and 7 warnings.
++ [[ 10 -gt 0 ]]
++ cat /sw/BUILD/63b505c94773b10b723fd241f47150d17472d9c0/O2Physics-code-check/errors.txt
PWGLF/Tasks/Resonances/kstarpbpb.cxx:21:1: error: included header TriggerAliases.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:53:1: error: included header TMath.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:68:8: error: constructor does not initialize these fields: ccdb, v2, v2Rot, hweight [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:456:48: error: narrowing conversion from constant 'float' to 'unsigned int' [bugprone-narrowing-conversions,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:464:14: error: redundant boolean literal in conditional return statement [readability-simplify-boolean-expr,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:779:12: error: Value stored to 'centrality2' during its initialization is never read [clang-analyzer-deadcode.DeadStores,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:779:12: error: unused variable 'centrality2' [clang-diagnostic-unused-variable,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:958:15: error: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:958:30: error: no header providing "PDG_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:1172:15: error: boolean expression can be simplified by DeMorgan's theorem [readability-simplify-boolean-expr,-warnings-as-errors]
++ [[ 7 -gt 0 ]]
++ cat /sw/BUILD/63b505c94773b10b723fd241f47150d17472d9c0/O2Physics-code-check/warnings.txt
PWGLF/Tasks/Resonances/kstarpbpb.cxx:493:27: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:496:37: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:500:66: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:504:67: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:508:66: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:512:70: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Tasks/Resonances/kstarpbpb.cxx:1218:59: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 10 -gt 0 ]]
++ exit 1
--

Full log here.