Disable action and reload toolbar menu when there is no record

There is no action to execute without a record.

Closes #11929

sao/src/tab.js

@@ -1564,6 +1564,9 @@
                 }
                 set_sensitive(button_id, position && can_be_sensitive);
             }
+            for (let button_id of ['reload', 'action']) {
+                set_sensitive(button_id, record_id !== null);
+            }
             set_sensitive(
                 'switch_',
                 (position || (view_type == 'form') || (next_view_type != 'form')) &&

tryton/tryton/gui/window/form.py

@@ -628,6 +628,8 @@ class Form(TabContent):
                     b.attrs.get('keyword', 'action') == action_type
                     for b in self.screen.get_buttons())
             set_sensitive(button_id, bool(position) and can_be_sensitive)
+        for button_id in ['reload', 'action']:
+            set_sensitive(button_id, record_id is not None)
         set_sensitive(
             'switch',
             (position or view_type == 'form' or next_view_type != 'form')