Add cheated track fit for U2
Adding cheated track fit configuration with
- new PR for Long and Downstream tracks, and track fit for them
-
TrackResolutionChecker
- both nTuple and Histo versions
As for now, Long fit runs fine. Upstream and Downstream fits return errors during the track fit sometimes.
Goes with Rec!3833 (merged) LHCb!4499 (merged)