[PWGHF] Fix: save ZorroSummary in task output

[fcatalan92]

@stefanopolitano @zhangbiao-phy @fgrosa I noticed that the zorro summary was not saved in the AnalysisResults.root files, I guess because the OutputObj needs to be defined in the actual task and it is not enough to have it in utilsEvSelHf.h. With this fix it works correctly.

[github-actions]

O2 linter results: ❌ 1 errors, ⚠️ 4 warnings, 🔕 16 disabled

[alibuild]

Error while checking build/O2Physics/o2 for a05b020 at 2025-11-28 04:09:

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Full log here.

[fgrosa]

@stefanopolitano @zhangbiao-phy @fgrosa I noticed that the zorro summary was not saved in the AnalysisResults.root files, I guess because the OutputObj needs to be defined in the actual task and it is not enough to have it in utilsEvSelHf.h. With this fix it works correctly.

Hi @fcatalan92 indeed, in the past I was looking for a solution different from defining the OutputObj<ZorroSummary> in all the tasks that use the HF event selection, so if you need it and you don't have a better solution, it's fine for me to add it.

[fcatalan92]

Hi @fcatalan92 indeed, in the past I was looking for a solution different from defining the OutputObj<ZorroSummary> in all the tasks that use the HF event selection, so if you need it and you don't have a better solution, it's fine for me to add it.

Thanks, indeed I do not have a better solution for the moment. I will have a look and update the code in case I find something cleaner.