update Rich geometry

This MR address many of the issues outlined in

https://redmine.cbm.gsi.de/issues/2786

whilst some remaining to be address in the future are recorded in

https://redmine.cbm.gsi.de/issues/3139

Information regarding the changes brought in by this MR may be seen in the presentations

https://indico.gsi.de/event/18677/contributions/75927/attachments/45805/65137/UpdateRichGeometry_Softwaremeeting_20231130.pdf

https://indico.gsi.de/event/19193/contributions/77254/attachments/46185/65752/firstSimulation_Software_20240125.pdf

rich/rich_v23a.geo.info

@@ -2,6 +2,8 @@ Same as rich_v22a but with fake_vol decended of mirror_half removed.
 Caused problems in MacOs. See Cbmroot corresponding commit with updates
 code and tag.
 
+to generate geometry version v23a use version of the RichGeoCreator files from commit c25124a0
+
 root << EOT
 RichGeoCreator* rich = new RichGeoCreator()
 rich->Create()