Number of active filter selections — drives the popover badge.
Use AgentDefaultItem.
Use CompareActive.
True when at least one of the filter dropdowns is enabled — drives whether to render the popover trigger.
Use ModelDefaultItem.
Use PromptDefaultItem.
Use StatusDefaultItem.
A callback method that is invoked immediately after the default change detector has checked the directive's data-bound properties for the first time, and before any of the view or content children have been checked. It is invoked only once when the directive is instantiated.
Default items shown when nothing is selected (the "All X" option)