Draft: Tune BdsToKShh rate

This MR is forked from !4713 (merged) and aims at reducing the bandwith of the BnoC BdsToKShh line by requiring:

• TRACK_CHI2_NDOF < 3 for the kaons/pions .
• TRACK_GHOST_PROB < 0.6 for the kaons/pions.

BW, rates and eff variations wrt !4526 (merged) are to be calculated.

Line	rate !4526 (merged)	rate this MR
Hlt2BnoC_BdsToKSKpKm_DD	0.009333333 +- 0.00249432	0.009333333 +- 0.00249432
Hlt2BnoC_BdsToKSKpKm_LL	0.004666667 +- 0.00176379	0.003333333 +- 0.00149069
Hlt2BnoC_BdsToKSKpPim_DD	0.01533333 +- 0.00319698	0.01933333 +- 0.00358976
Hlt2BnoC_BdsToKSKpPim_LL	0.01266667 +- 0.00290575	0.01133333 +- 0.00274858
Hlt2BnoC_BdsToKSPipPim_DD	0.007333333 +- 0.00221100	0.008000000 +- 0.00230931
Hlt2BnoC_BdsToKSPipPim_LL	0.008666667 +- 0.00240360	0.006666667 +- 0.00210811
BW (GB/s)	0.06192	0.0602