update according to BnoC 12Jan meeting

patch generated by https://gitlab.cern.ch/lhcb/Moore/-/jobs/22850483

Rates and efficiencys of B(c)->hhh can be found below, where the sample for rate is https://gitlab.cern.ch/lhcb-b2oc/b2ocupgrade/-/blob/master/Moore_input_files/minbias_hlt1filt.ldst, 100k events are used and samples for efficiency is the signal sample efficiency:

B->KKK 4.841108 +- 0.206895)%
B->KpiK ( 4.866283 +- 0.197939)%
B->Kpipi ( 4.404540 +- 0.188850)%
B->pipipi ( 4.473234 +- 0.186594)%
B->pppi ( 5.234483 +- 0.230198)%
B->ppK ( 5.436508 +- 0.225835)%

Bc+->KKK ( 1.708912 +- 0.138798)%
Bc+->KpiK ( 1.466620 +- 0.130213)%
Bc+->Kpipi ( 1.688466 +- 0.140492)%
Bc+->pipipi ( 1.474051 +- 0.121929)%
Bc+->pppi ( 1.757881 +- 0.142263)%
Bc+->ppK ( 1.704704 +- 0.124937)%

rate(kHz):

B->KKK 0
B->KpiK 0
B->Kpipi0.02 +/- 0.0141
B->pipipi  0.01 +/- 0.009
B->pppi 0.02 +/- 0.0141 
B->ppK 0.01 +/- 0.0099

Bc+->KKK 0
Bc+->KpiK 0
Bc+->Kpipi 0 
Bc+->pipipi 0 
Bc+->pppi 0.02 +/- 0.0141
Bc+->ppK 0.01 +/- 0.0099