When a blueprint in derived from an existing widget the user no longer has access to the designer tab

If a user derives a blueprint from an existing widget that derived blueprint will no longer have access to the designer tab.

1. Open the editor
2. Create a new user widget
3. Create a new blueprint class
4. Choose the widget blueprint that was just made as the class that you would like to derive your new blueprint from (image for reference)
5. Open the new blueprint
6. Notice that there is no designer tab

Expected: Designer tab should be available
Result: No Designer tab