feat: add config option to show/hide Store ID; default value

tests/test_orders.py

@@ -16,6 +16,16 @@ class TestOrderHandler(DataTestCase):
     def make_handler(self):
         return mod.OrderHandler(self.config)
 
+    def test_expose_store_id(self):
+        handler = self.make_handler()
+
+        # false by default
+        self.assertFalse(handler.expose_store_id())
+
+        # config can enable
+        self.config.setdefault('sideshow.orders.expose_store_id', 'true')
+        self.assertTrue(handler.expose_store_id())
+
     def test_get_order_qty_uom_text(self):
         enum = self.app.enum
         handler = self.make_handler()