Added the option to filter events from `getEventTimeline`
Added the option to filter events from `getEventTimeline`

refs https://github.com/TryGhost/Team/issues/1277

- Added the pre-existing framework filters to each event query.
- Made sure we aren't modifying the original `options.filter` to avoid side-effects between event queries.

TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost