[FIX] lunch: on mobile crashes when grouping by field

- On mobile grouping by a field crashes.
This is due to the code assuming a function parameter
is always passed where it is actually an optional parameter.

closes odoo/odoo#33891

Signed-off-by: Toufik Benjaa (tbe) <tbe@odoo.com>

addons/lunch/static/src/js/lunch_kanban_model.js

@@ -40,7 +40,7 @@ var LunchKanbanModel = KanbanModel.extend({
         });
     },
     reload: function (id, options) {
-        var domain = options.domain || this.localData[id].domain;
+        var domain = options && options.domain || this.localData[id].domain;
 
         this._addOrUpdate(domain, ['is_available_at', 'in', [this.locationId]]);
         options = _.extend(options, {domain: domain});