template node will consume space on page even if its empty

### Current Behavior

adding template to a group widget will add an spaceholder.

### Expected Behavior

if template is empty or does only contain script there should not any space be reserved for the node at ui.

### Steps To Reproduce

add an template node to a ui group and watch how it expands.

### Environment

- Dashboard version:
- Node-RED version:
- Node.js version:
- npm version:
- Platform/OS:
- Browser:

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate