Add missing unassociated muon segments to LLP1
This !52981 (merged) merge split unassociated muon segments into their own container: UnAssocMuonSegments, but this was missed when setting up LLP1. These are needed for cosmic ray tagging.
1000 events of semi-leptonic ttbar MC23 +1.1 kb/evt (<1%) on top of 24.0.15:
Edited by Jonathan Long