GTL: Pass @parent to the rendering routine.
GTL: Pass @parent to the rendering routine.

Adding a missing variable omitted in
https://github.com/ManageIQ/manageiq-ui-classic/pull/2727

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic