Fix/datetime picker warning hover style

[Sarin-Udompanish]

Description

ef-datetime-picker has incorrect border styles on warning and error states.
This changes will made datetime-picker has the same styles as ef-text-field.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have checked my code and corrected any misspellings

[cloudflare-workers-and-pages]

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Latest commit:	23c5580
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Preview URL:	https://9af8f555.refinitiv-ui.pages.dev
Branch Preview URL:	https://fix-datetime-picker-warning-.refinitiv-ui.pages.dev

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[sonarqubecloud]

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