[PWGCF] Less strict daughter track selection and configurable PID rejection c…

[EmilGorm]

…riteria in flowGenericFramework.cxx

[github-actions]

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

[alibuild]

Error while checking build/O2Physics/code-check for 510c7a5 at 2026-08-10 14:52:

## sw/BUILD/O2Physics-latest/log
c++: fatal error: Killed signal terminated program cc1plus
c++: fatal error: Killed signal terminated program cc1plus
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 99644d1 at 2026-08-10 15:48:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 2 errors and 0 warnings.'
Found 2 errors and 0 warnings.
++ [[ 2 -gt 0 ]]
++ cat /sw/BUILD/fb97d640986dfa1ed581f81fa3159385a03d0ad3/O2Physics-code-check/errors.txt
PWGCF/GenericFramework/Tasks/flowGenericFramework.cxx:2248:89: error: repeated branch body in conditional chain [bugprone-branch-clone,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGenericFramework.cxx:2250:11: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 2 -gt 0 ]]
++ exit 1
--

Full log here.

[alibuild]

Auto-approving on behalf of @EmilGorm.