Manually cherry-pick !31721 from 21.3 to master
Manually sweeping MR !31721 (merged) from 21.3 to master. Changed NSW sTGC SDO position to be in centre of gas gap instead of exit point of sim hit.
Manually sweeping MR !31721 (merged) from 21.3 to master. Changed NSW sTGC SDO position to be in centre of gas gap instead of exit point of sim hit.