Skip hub filtering if hub list is alraedy empty #800

src/Service/HubSelector.php

@@ -99,6 +99,11 @@ class HubSelector
 
         // loop through all enabled filters
         foreach ($this->getActiveFilters() as $hub_filter) {
+            // no hubs left to filter
+            if (empty($filtered_hubs)) {
+                break;
+            }
+
             $f = $this->container->get($hub_filter);
 
             // check if supported area is exempted from this filter