Describe the bug
Trying to customize and override the default design tokens for the input using the config file and the results seem to differ from the default design tokens

To Reproduce
Steps to reproduce the behavior:

1. Edit inkline.config
2. Add the following ...{ elements: { input: { prepend: { append: { background: 'transparent' }}}}
3. Save config
4. Note the results is --input--prepend--append--background: transparent

Expected behavior
Result should yield --input--prepend-append--background: transparent

Environment

• Version: >=3.0.0
• Framework: [Vite ]
• OS: [Linux]
• Browser: [Chrome XX | Mobile Chrome XX | iOS XX Safari ]
• Language: [ ES]

Additional context
Add any other context about the problem here.