LPS-44761 We should show only web content on the current site

Hi guys,

The way of filtering by Structure will work is the following:

If I filter by a global structure in the global scope --> Only the articles in the global scope using this structure will be shown
If I filter by a global structure in a site --> Only the articles from this site using this structure will be shown
If I filter by a site structure in its site --> Only the articles from the site using this structure will be shown
If I filter by a site structure in a subscope --> Only the articles from this scope will be shown

So, we only filter by structure the articles in the current scope.

Cheers,
Eudaldo.