[VECGEOM-574] Cope with erroneous delta-phi angle > 2*pi
Cope with erroneous delta-phi angle > 2*pi in Unplaced Cone, Polycone, Sphere.cpp Tube.
Accepting delta-phi > 2*pi is giving erroneous results in methods which depended on its value (e.g. Capacity).
[ This is a clone of MR-810 -- but from VecGeom project, not my fork]