[ALICE3] Update OTF RICH PID (AliceO2Group#11041)

- Parameter updates should be done correctly according to .json input.
- Added a new function for analytic calculation of ring angular resolution sector-by-sector.
- Included the possibility to have different aerogel refractive index for the different modules.

Co-authored-by: Nicola Nicassio <nicolanicassio@eduroam-174231724-1.dyndns.cern.ch>
Co-authored-by: Nicolò Jacazio <njacazio@users.noreply.github.com>

Author: 3 people