TimeField: properly handle isRequired prop

[mkernohanbc]

This PR fixes a mistake in how the isRequired prop is used in TimeField that surfaced during some testing work.

Previously, isRequired was destructured in order to render the visible "(required)" label — but this silently broke the actual required-input functionality, resulting in data-required="true" not being set on the TimeField.

This change removes this explicit destructuring, and instead properly passes it as a render prop (matching the pattern in other components) to handle the display of the label. With this change, data-required="true" is now also properly set on the TimeField.

[Copilot]

Pull request overview

Fixes TimeField so the isRequired prop correctly drives both required behavior (e.g., data-required="true") and the visible “(required)” indicator, by consuming isRequired from React Aria render props instead of destructuring it out of the component props.

Changes:

• Stop destructuring isRequired from TimeField props so it remains included in ...props passed to ReactAriaTimeField.
• Read isRequired from the ReactAriaTimeField render-props state to render the “(required)” label consistently with other components.

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