Set last_access->value to NULL for new redirects

config/install/views.view.redirect_metrics.yml

@@ -322,7 +322,7 @@ display:
           element_wrapper_type: ''
           element_wrapper_class: ''
           element_default_classes: true
-          empty: ''
+          empty: 'Never'
           hide_empty: false
           empty_zero: false
           hide_alter_empty: true