slap/hateoas: Only set limit if it is not part of the query already

slapos/slap/hateoas.py

@@ -281,7 +281,8 @@ class HateoasNavigator(object):
     # at least 18 sub instances this limit is too low thus we need to explicitly
     # increase it. 40 is the de-facto default ERP5 preference for number of objects
     # which are usually to be rendered in alistbox 'view' mode
-    query['limit'] = 40
+    if 'limit' not in query:
+       query['limit'] = 40
     search_url = self._getSearchUrl()
     getter_link = expand(search_url, query)