ScopeNotificationFilter should only handle exclusive filters for targetable event types

Right now ScopeNotificationFilters handle the same way any event type, while TargetableEvent are supposed to target specific people, so the users' inclusive filters for them shouldn't be honored for those kind of events.
See: https://forum.xwiki.org/t/change-the-way-scopenotificationfilter-handle-targetable-events/7461/