Theme Switcher: `BUTTON[light-mode, dark-mode]`

```meta-bind-button
style: destructive
label: Light Mode
id: light-mode
hidden: true
actions:
  - type: command
    command: theme:use-light
```

```meta-bind-button
style: primary
label: Dark Mode
id: dark-mode
hidden: true
actions:
  - type: command
    command: theme:use-dark
```

