Drill-down faceting query should not affect other facet counts

Description

Using the "drill-down" function in faceting should - at least by default - behave like Amazon's faceting: it affects the filtering of the list shown as current results but should not affect the faceting count of other facets.
(It will of course affect sub-facets, so people can navigate up/down the facet tree to narrow down the results and explore different branches, but the parent branch and it's peers shouldn't be affected.

It's still possible to apply global filters which affect all facets (like a filter applied on root): example enable "only items with at least 4 star reviews" might affect all counters in the tree.
But if I'm in the area "TVs", and then the options {"LED", "Plasma"} open up, when we select "LED" the counters for both "Plasma" and "LED" should not change -> just of course the main results list will show only LED televisions.

For those people who think it should be possible to affect such a drill down feature as a filter, they can still apply the filter globally (on the root query).

<emmanuel> but to move forward, let's start with what we have. It seems that such alternative are definitely going to be an option on the FacetedManager
<emmanuel> facetedManager.countAs(AMAZON)

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Reporter

Sanne Grinovero

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