bug: Wizard can fail to install navlight script

### Bug description

@dgudiel had a boat with no script after running the Wizard for BB120

### Steps to reproduce

Run the wizard with no script a couple of times, probably.

### Primary pain point(s)

lighty no blinky

### Additional context

_No response_

### Prerequisites

- [x] I have checked to make sure that a similar request has not already been filed or fixed.