:bug: fix(dropdown): small variant has loading and disabled style issues,

### Current Behavior

- remove hover effect on disabled
- change spinner to whit bg

### Expected Behavior

A bug happened!

### Steps to Reproduce

-

### Version

latest

### Browsers

_No response_

### Device

_No response_

### Code Reproduction URL

_No response_

### Additional Information

_No response_

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct