logic: fixes for search

* set max best scored length for file paths
* fixed best score caching
* fixed namespace/package and node name split for search results

src/lib/data/HierarchyCache.cpp

@@ -187,7 +187,7 @@ size_t HierarchyCache::getIndexOfLastVisibleParentNode(Id nodeId) const
 		node = parent;
 		parent = node->getParent();
 
-		if (node->isVisible())
+		if (node->isVisible() && !idx)
 		{
 			visible = true;
 		}