[PWGCF] add cumulant non-flow subtraction framework analysis in PWGCF/GenericFramework

[EmilGorm]

No description provided.

[github-actions]

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

[alibuild]

Error while checking build/O2Physics/code-check for 747118e at 2026-07-06 16:13:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 17 errors and 0 warnings.'
Found 17 errors and 0 warnings.
++ [[ 17 -gt 0 ]]
++ cat /sw/BUILD/7b50326b52b29820ae076c28465a46eb5d4c81eb/O2Physics-code-check/errors.txt
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:49:1: error: included header TPDGCode.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:83:23: error: no header providing "std::pair" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:293:5: error: no header providing "int64_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:293:32: error: no header providing "std::chrono::duration_cast" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:293:59: error: no header providing "std::chrono::milliseconds" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:293:86: error: no header providing "std::chrono::system_clock" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:410:10: error: no header providing "uint32_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:452:17: error: no header providing "std::size_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:490:36: error: no header providing "std::string_view" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:507:24: error: no header providing "uint64_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:688:17: error: no header providing "fmod" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:740:10: error: no header providing "uint" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:742:62: error: no header providing "kTRUE" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:751:65: error: no header providing "std::pow" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:752:62: error: no header providing "kFALSE" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:753:18: error: no header providing "std::abs" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGCF/GenericFramework/Tasks/flowGfwNonflow.cxx:1031:329: error: no header providing "uint8_t" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 17 -gt 0 ]]
++ exit 1
--

Full log here.