docs(floatinglabel component): fix imports and code examples

[rizky201008]

• [x] I have followed the Your First Code Contribution section of the Contributing guide

I just changed the import error in all the floatingLabel code examples and changed the color in the floatingLabel.validation.tsx file because the success color and error color were confused with each other.

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Name	Status	Preview	Comments	Updated (UTC)
flowbite-react	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 22, 2024 6:20pm

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (7461173) 99.54% compared to head (9648d70) 97.36%. Report is 188 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1242 +/- ## ========================================== - Coverage 99.54% 97.36% -2.18% ========================================== Files 163 214 +51 Lines 6621 9083 +2462 Branches 401 530 +129 ========================================== + Hits 6591 8844 +2253 - Misses 30 239 +209 ```

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[rizky201008]

Nice thanks 👍