Add TRD 22c_mcbm geometry which is radlen fix of 21b_mcbm (#2417)
Draft will be removed once CbmSoft/cbmroot_geometry!139 (merged) and CbmSoft/cbmroot_parameter!77 (merged) are merged and the hashes updates are brought to the branch
Changes provided by @a.bercuci in #2417
Associated MRs:
Edited by Pierre-Alain Loizeau