Field group is only rendered when moving the mouse over the fields
Steps to Reproduce
- Go to Control Panel > App Builder > Custom Objects > Add a Custom Object;
- Add a Form View > add a Text field;
- ATTENTION, when adding the second field (step 4), don't move the mouse!;
- Add a second Text field over the previous one to create a section;
The Field group is properly rendered when the fields are added to the group.
The Field group is only rendered when moving the mouse over the fields.