* fix(locale): [vi] refine translations and fill missing keys
The previous Vietnamese locale file was incomplete and contained mixed
English strings. This update achieves 100% translation coverage and
standardizes terminology for a better user experience.
- Translate all missing keys for Colorpicker, Slider, and InputNumber.
- Localize ARIA labels to support accessibility standards.
- Fix inconsistent terminology in DatePicker and Pagination.
- Unify empty state messages to "Không có dữ liệu".
* fix(locale): [vi] fix lint error of locale strings
Collapse multiline strings to single-line for consistency.
This changes the color picker 'description' and the date picker 'dateTablePrompt' to remove embedded line breaks and extra indentation.
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