RD | Omega_b->OmegaGamma for DDD and DDL cases

All the tests are done using https://gitlab.cern.ch/LHCb-RD/rd-rta-guide/-/tree/master/testing-utils?ref_type=heads

Rate test:

Hlt2RD_OmegabmToOmegamGamma_OmegamToLambda0Km_DDD                        120224       4   45.098183
Hlt2RD_OmegabmToOmegamGamma_OmegamToLambda0Km_DDL                        120224       2   22.549092

Bandwidth test:

Without lines:
- 36928	hlt2_bandwidth_rd_data.mdf.zst

With lines:
- 37180	hlt2_bandwidth_rd_data.mdf.zst

Total effect: 2.77 MB/s