allow nested menu parents without a link themselves #3528
Description
As an admin I want to create nested menu structures but the grouping/parent item does not always have a target/link that it should open.
Currently, "link" is a required field when configuring menu items. However, for some "parent" items, we may want to only expand and show submenu items when it is clicked, without navigating anywhere itself.
The menu already supports this, if we delete the link property from the config in JSON. The UI doesn't allow that yet, however.
The link field should indeed be mandatory if the field doesn't have sub-items. But you need to create an item first before you can add submenu items ... This is a bit of a chicken/egg problem. What kind of UX can we design for this?