o2sim: fix time aggregation in dpl-eventgen (#15091)

* Fix timeframe aggregation in dpl-eventgen

* precalculate batch size so it does not depend on the event counter
  updated in the generator loop

* use DataAllocator::make instead of snapshot to reduce memory churn

Tagging AliceO2 version async-2025-pp-lowB-apass1-v3

GPU TPC: Do not use fitWithoutProjection for now, sometimes broken

GPU TPC: Do not use fitWithoutProjection for now, sometimes broken

Tagging AliceO2 version async-2025-pp-lowB-apass1-v2

[ALICE3] Add proto segmentation of TF3 (#15081)

* Use TF3 CAD specifications

AliceO2: async-2025-pp-lowB-apass1-v1

path for LHCphase ccdb configurable

ALICE3-TRK: fix detector ID assignment to hits (#15074)

[ALICE3] Adapt CA for 2T simulations (#15075)