[PWGCF] Add safeguards in vn-pt profile filling

[EmilGorm]

No description provided.

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 59 warnings, 🔕 12 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 78cba9a at 2026-08-07 17:02:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 214 errors and 129 warnings.'
Found 214 errors and 129 warnings.
++ [[ 214 -gt 0 ]]
++ cat /sw/BUILD/6e2ccd4dd0442a87e2d34f34d1056508a89fdeff/O2Physics-code-check/errors.txt
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:45:50: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:46:48: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:47:47: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:48:47: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:49:49: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:50:52: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:51:57: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:58:38: error: initializer for member 'sumP' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:59:38: error: initializer for member 'insub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:60:38: error: initializer for member 'corrNum' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:61:38: error: initializer for member 'corrNumSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:62:38: error: initializer for member 'corrDen' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:63:38: error: initializer for member 'corrDenSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:64:38: error: initializer for member 'cmVal' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:65:38: error: initializer for member 'cmValSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:66:38: error: initializer for member 'cmDen' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:67:38: error: initializer for member 'cmDenSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:68:38: error: initializer for member 'arr' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:69:38: error: initializer for member 'warr' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:70:38: error: initializer for member 'subevents' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:82:66: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:83:64: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:84:63: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:85:63: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:86:65: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:87:68: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:88:73: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:95:54: error: initializer for member 'sumP' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:96:54: error: initializer for member 'insub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:97:54: error: initializer for member 'corrNum' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:98:54: error: initializer for member 'corrNumSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:99:54: error: initializer for member 'corrDen' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:100:54: error: initializer for member 'corrDenSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:101:54: error: initializer for member 'cmVal' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:102:54: error: initializer for member 'cmValSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:103:54: error: initializer for member 'cmDen' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:104:54: error: initializer for member 'cmDenSub' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:105:54: error: initializer for member 'arr' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:106:54: error: initializer for member 'warr' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:107:54: error: initializer for member 'subevents' is redundant [readability-redundant-member-init,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:109:85: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
PWGCF/GenericFramework/Core/FlowPtContainer.cxx:110:83: error: use nullptr [modernize-use-nullptr,-warnings-as-errors]
[0 more errors; see full log]

Full log here.