Runtime/Input/CFinalInput: Make comparison operators const
Runtime/Input/CFinalInput: Make comparison operators const

While we're at it, we can also provide an inequality operator for
logical symmetry.

RetroView/PathShagged,AxioDL/PathShagged,RetroView/PathShagged,AxioDL/PathShagged,AxioDL/PathShagged,RetroView/PathShagged