Return the ToS Document of the supplied Presence entity, if there is one.
Return the ToS Document of the supplied Presence entity, if there is one.

Patch by: Todd Larsen
Review by: to-be-reviewed

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging