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Add flags to disable HLT end-of-event extra reco sequences

Rafal Bielski requested to merge rbielski/athena:flag-disable-endevt-seq-master into master

Implement @tamartin's suggestion for flags to allow disabling running end-of-event sequences in HLT. The default values leave everything running as it is now, but allow to disable the sequences if needed.

This option was needed at P1 due to a configuration bug which caused the sequence to execute on all events, not just accepted. In addition, we do not want to run this sequence at all in some cases (like high-rate tests with random triggers only). The flags serve also as a temporary solution for the latter. Long-term solution based on prescales is under discussion in ATR-21216.

This change is already tested and deployed at P1 as a patch on top of 22.0.45 (SMK 119), but this version is rebased on top of master.

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