Introduce default particles for ITrackFitter and ITrackExtrapolator interfaces

In !581 (merged) there were changes made to the ITrackFitter and everything connected to pass a default particle mass according to the passed default pid.
This had some uncaught effect on these TrackExtrapolator classes.
In general, these cases are extremely hard to spot because there is no compilation or runtime error.

This MR aims to fix these problems and replaces the attempt in !662 (closed).

Relies on LHCb!790 (merged)