Set limit attribute only if defined in URL

Closes #12211
(grafted from c242bc152fb39bafb90581710aefbe8260d54178)

--HG--
branch : 6.0

sao/src/sao.js

@@ -476,7 +476,9 @@ var Sao = {};
             }
             try {
                 attributes.view_ids = loads(params.views || '[]');
-                attributes.limit = loads(params.limi || 'null');
+                if (params.limit !== undefined) {
+                    attributes.limit = loads(params.limit || 'null');
+                }
                 attributes.name = loads(params.name || '""');
                 attributes.search_value = loads(params.search_value || '[]');
                 attributes.domain = loads(params.domain || '[]');

tryton/tryton/gui/main.py

@@ -963,6 +963,7 @@ class Main(Gtk.Application):
                 return
 
         def open_model(path):
+            attributes = {}
             model, path = (path.split('/', 1) + [''])[:2]
             if not model:
                 return
@@ -970,7 +971,9 @@ class Main(Gtk.Application):
             mode = None
             try:
                 view_ids = json.loads(params.get('views', '[]'))
-                limit = json.loads(params.get('limit', 'null'))
+                if 'limit' in params:
+                    attributes['limit'] = json.loads(
+                        params.get('limit', 'null'))
                 name = json.loads(params.get('name', '""'))
                 search_value = json.loads(params.get('search_value', '[]'),
                     object_hook=object_hook)
@@ -998,9 +1001,9 @@ class Main(Gtk.Application):
                     context_model=context_model,
                     mode=mode,
                     name=name,
-                    limit=limit,
                     search_value=search_value,
-                    tab_domain=tab_domain)
+                    tab_domain=tab_domain,
+                    **attributes)
             except Exception:
                 # Prevent crashing the client
                 return