Include UT-filtered Velo Tracks in fastest reco sequence

The PrVeloUT tracking is capable of simply filtering Velo tracks. This is useful to reduce ghosts and timing of the Forward tracking. Within the fastest sequence, this might make it favourable to first run the forward tracking on filtered Velo tracks and only run the Hybrid Seeding afterwards using residual scifi hits, and the matching using residual velo tracks. This is of course only possible when the UT is operational.

/cc @decianm