Take complete context for group lookup

administrator/components/com_fields/models/fields.php

@@ -386,7 +386,7 @@ public function getGroups()
 		$query->select('title AS text, id AS value, state');
 		$query->from('#__fields_groups');
 		$query->where('state IN (0,1)');
-		$query->where('context = ' . $db->quote($this->state->get('filter.component')));
+		$query->where('context = ' . $db->quote($this->state->get('filter.context')));
 		$query->where('access IN (' . implode(',', $viewlevels) . ')');
 
 		$db->setQuery($query);